A TIMES B!

from scipy import signal
import sys


def convolve(a, b):
    k = len(a)
    m = len(b)
    n = k + m - 1
    res = [0 for _ in range(n)]
    for i in range(n):
        s = 0
        for j in range(max(0, i - m), i + 1):
            if j < k and (i - j) < m:
                s += a[j] * b[i - j]
        res[i] = s
    return res

def carry(res):
    c = 0
    # print(res)
    for i in range(len(res) - 1, -1, -1):
        res[i] = res[i] + c
        c = res[i] // 10
        res[i] = res[i] % 10
    result = [c]
    result.extend(res)
    return result


input = sys.stdin.readline
a = list(map(int, input().strip()))
b = list(map(int, input().strip()))
r = convolve(a, b)
print(''.join(map(str, carry(r))))

Test 1

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 2

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 3

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 4

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 5

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 6

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 7

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 8

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 9

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 10

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 11

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 12

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 13

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 14

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 15

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 16

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 17

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 18

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 19

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 20

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 21

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 22

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 23

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 24

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 25

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 26

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 27

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 28

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 29

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 30

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 31

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 32

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 33

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 34

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 35

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 36

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 37

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 38

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 39

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 40

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 41

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 42

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 43

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 44

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 45

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 46

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 47

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 48

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 49

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 50

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 51

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 52

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 53

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 54

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 55

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 56

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 57

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 58

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 59

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 60

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 61

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 62

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 63

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 64

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'

Test 65

Verdict: RUNTIME ERROR

Traceback (most recent call last):
  File "input/code.py", line 1, in <module>
    from scipy import signal
ModuleNotFoundError: No module named 'scipy'