from math import sqrt
def prime_factorization(N):
    if N == 1:
        return False
    for i in range(2,int(sqrt(N))+1):
        if N % i == 0:
            return False
    return True

S = list(input())
N = len(S)
ans = 0
for bit in range(1<<(N-1)):
    x = S[0]
    for i in range(N-1):
        if bit & (1 << i):
            x += '+'
        x += S[i+1]
    if prime_factorization(eval(x)):
        ans += 1
print(ans)