import sys
input = lambda: sys.stdin.readline().rstrip()
mi = lambda: map(int,input().split())
li = lambda: list(mi())

s = input()
n = len(s)
ans = 0
for bit in range(1<<(n-1)):
	val = 0
	cur = int(s[0])
	for i in range(n-1):
		if bit>>i&1:
			val += cur
			cur = int(s[i+1])
		else:
			cur = cur*10 + int(s[i+1])
	val += cur

	flag = 1<val
	p = 2
	while p*p <= val:
		if val%p == 0:
			flag = False
			break
		p += 1
	if flag:
		ans += 1
print(ans)