Hacking hashes

from random import randint 
import os
A,B = [int(x) for x in input().split()]

dict = {}

def F(s):
    h = 0
    for c in s:
        h = (h * A + ord(c)) % B
    return h

while True:

    s = ''.join(chr(97 + randint(0, 25)) for i in range(randint(4,8)))
    k = F(s)

    if k in dict:
        print(s)
        print(dict[s])
        break
    else:
        dict[k]=s

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'rxicbjmg'

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'fikns'

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'fwupt'

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'jkakou'

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nnyceoe'

Test 6

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'btumc'

Test 7

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'kigiqo'

Test 8

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'izxporpo'

Test 9

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'gvmw'

Test 10

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'owfamcr'

Test 11

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'wghgdpy'

Test 12

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'exzkoigm'

Test 13

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'copcp'

Test 14

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'gixqkyh'

Test 15

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'pjmgywlw'

Test 16

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nweo'

Test 17

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'xwfrwhi'

Test 18

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'xyyxb'

Test 19

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ubokunsw'

Test 20

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ppzqli'

Test 21

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'natznudg'

Test 22

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'fjpkodfr'

Test 23

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dehzgyyy'

Test 24

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dxaseb'

Test 25

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'gpvenw'

Test 26

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ephryvi'

Test 27

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'iusi'

Test 28

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'rphhvms'

Test 29

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'mcvt'

Test 30

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nnfkvnwe'

Test 31

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'mllmoe'

Test 32

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'mglgl'

Test 33

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'yqek'

Test 34

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nruo'

Test 35

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'euthej'

Test 36

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nxwabo'

Test 37

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'kpqc'

Test 38

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'vevpzl'

Test 39

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nnzer'

Test 40

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'zwqq'

Test 41

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'tnfwzwi'

Test 42

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'vpopxiw'

Test 43

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'tnulrysz'

Test 44

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'vkbfe'

Test 45

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ljoabel'

Test 46

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'yzlanhrd'

Test 47

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'pgsy'

Test 48

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'azlsu'

Test 49

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'jxlgt'

Test 50

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'coqo'

Test 51

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'xmyc'

Test 52

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'klfvq'

Test 53

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dhfvdio'

Test 54

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'riwzzmu'

Test 55

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'vwpjtun'

Test 56

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'thijea'

Test 57

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'rdqj'

Test 58

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'kxivmce'

Test 59

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'jtkyt'

Test 60

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'baeq'

Test 61

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'bptum'

Test 62

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'okyu'

Test 63

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'vidydvw'

Test 64

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ascpw'

Test 65

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ovjf'

Test 66

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'nytr'

Test 67

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'lowj'

Test 68

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ovxp'

Test 69

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'revivhdg'

Test 70

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'jdkpu'

Test 71

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'npaq'

Test 72

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'qdgj'

Test 73

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'fdyw'

Test 74

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'roky'

Test 75

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dskl'

Test 76

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ltxh'

Test 77

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'mriu'

Test 78

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'mlcn'

Test 79

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dqhno'

Test 80

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ihnrnmm'

Test 81

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'tbzx'

Test 82

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'gvou'

Test 83

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'qhhu'

Test 84

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'axiu'

Test 85

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'ovev'

Test 86

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'fukg'

Test 87

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'wtdy'

Test 88

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'qfpkz'

Test 89

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'hvpo'

Test 90

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 20, in <module>
    print(dict[s])
KeyError: 'dnvo'