S = input()
l = list(map(int,list(S)))

C = 10 ** 6
dat = [0] * C

prime = set()
for i in range(2,C):
    if dat[i] == 0:
        prime.add(i)
        for j in range(2 * i,C,i):
            dat[j] = 1
import sys
if len(S) == 1:
    if int(S) in prime:
        print(1)
    else:
        print(0)
    exit()
    
N = len(S) - 1
ans = 0
for bit in range(1 << N):
    Sum = 0
    now = l[0]
    for j in range(N):
        mask = 1 << j
        if mask & bit:
            Sum += now
            now = l[j+1]
        else:
            now = now * 10 + l[j+1]
    Sum += now
    if Sum in prime:
        ans += 1
print(ans)