#include <bits/stdc++.h>
using namespace std;
int main(){
    string S;
    cin >> S;
    int sz = S.size();
    vector<long long> v;
    for(int bit = 0; bit < (1 << (sz - 1)); bit++){
        long long sum = 0;
        int l = 0;
        for(int i = 0; i < sz - 1; i++){
            if(bit & (1 << i)){
                sum += stoll(S.substr(l, i + 1 - l));
                l = i + 1;
            }
        }
        sum += stoll(S.substr(l));
        v.push_back(sum);
    }
    int ans = 0;
    for(int i = 0; i < (int)v.size(); i++){
        if(v[i] == 1) continue;
        bool f = true;
        for(long long j = 2; j * j <= v[i]; j++){
            if(v[i] % j == 0) f = false;
        }
        if(f) {
            ans++;
        }
    }
    cout << ans << endl;
}