def hantei(n):
  if n<=1:
    return False
  m=int(n**0.5)
  for i in range(2,m+1):
    if n%i==0:
      return False
  return True
s=input()
n=len(s)
ans=0
for bit in range(1<<(n-1)):
  cnt=""
  for i in range(n-1):
    cnt+=s[i]
    if bit&(1<<i):
      cnt+="+"
  cnt+=s[-1]
  m=eval(cnt)
  if hantei(m):
    ans+=1
print(ans)