S = list(input())
def is_prime(a):
    if a == 1:
        return False
    flag = True
    for i in range(2,int(a**0.5)+1):
        if a %i ==  0:
            flag = False
    return flag 
    
def produce(Set):
    rev = 0
    tmp = ''
    for i in range(len(S)):
        tmp += S[i]
        if (i in Set) or i == len(S)-1:
            rev += int(tmp)
            tmp = ''
    return rev
cnt = 0
for i in range(1<<(len(S)-1)):
    Set = set()
    for k in range(len(S)-1):
        if (i>>k) & 1:
            Set.add(k)
    num = produce(Set)
    if is_prime(num):
        cnt += 1
print(cnt)