Sugyeong Kim olive-su

## 0116_곱하기_혹은_더하기.py
from sys import stdin

S = list(map(int, stdin.readline().rstrip()))
rst = S[0]

for i in range(1, len(S)):
    if S[i] == 0 or S[i-1] == 0:
        rst += S[i]
    else:
        rst *= S[i]
	from sys import stdin

	S = list(map(int, stdin.readline().rstrip()))
	rst = S[0]

	for i in range(1, len(S)):
	if S[i] == 0 or S[i-1] == 0:
	rst += S[i]
	else:
	rst *= S[i]