s = input()
d = []
now = 0
for c in s:
    if c == '0':
        d.append(now)
        now = 0
    else:
        now += 1
d.append(now)

n = len(d)
m = sum(d)
tot = sum(i * x for i, x in enumerate(d))
# dp[used][sum]
dp = [[0] * (tot + 1) for _ in range(m + 1)]
dp[0][0] = 1
for i in range(n):
    for j in range(m):
        for k in range(tot + 1):
            nj = j + 1
            nk = k + i
            if nk <= tot:
                dp[nj][nk] += dp[j][k]
ans = dp[-1][-1]
print(ans)