Rabbits

a,b=[int(x) for x in input().split(" ")]
p = (0,1)
def f(x,y,z):
    return (x+y+z,x,z)
k = 0
while sum(p) < b:
    s = sum(p)
    if s >= a and s <= b:
        break
    p = f(*p)
    k += 1
    print(k, p)
if sum(p) > b:
    exit(1)
else:
    print(k-1)

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 6

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 7

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 8

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 9

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 10

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 11

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 12

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 13

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 14

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 15

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 16

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 17

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 18

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 19

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 20

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 21

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 22

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...

Test 23

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 10, in <module>
    p = f(...