#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint1000000007;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001

bool is_prime(long long n){
	if(n==1)return false;
	for(long long i=1;i*i<=n;i++){
		if(n%i==0 && i!=n && i!=1)return false;
	}
	return true;
}

int main(){
	
	string s;
	cin>>s;
	
	int n;
	n = s.size();
	int ans = 0;
	rep(i,1<<(n-1)){
		vector<long long> t;
		t.push_back(s[0]-'0');
		rep(j,n-1){
			if((i>>j)&1){
				t.back() = t.back()*10 + (s[j+1]-'0');
			}
			else{
				t.push_back(s[j+1]-'0');
			}
		}
		long long S = 0;
		rep(j,t.size()){
			S += t[j];
			//cout<<t[j]<<',';
		}
		//cout<<endl;
		if(is_prime(S)){
			//cout<<S<<endl;
			ans++;
		}
	}
	cout<<ans<<endl;
	
	return 0;
}