#include "bits/stdc++.h"
#define fastcin {\
    cin.tie(0);\
    ios::sync_with_stdio(false);\
}
using namespace std;

int main() {
    fastcin;
    string n;
    cin >> n;
    long ans = 1;
    long nh = 0, e = 0;
    for(long i = 0; i < n.length(); i++) {
        if(n[i] == '0' || n[i] == '4' || n[i] == '6' || n[i] == '9') {
            ans += 3;
        } else if(n[i] == '1' || n[i] == '2' || n[i] == '3' || n[i] == '5' || n[i] == '7') {
            ans += 2;
            nh++;
        } else {
            ans += 4;
            e++;
        }
    }
    if(nh - 1 - e > 0) {
        ans -= nh - 1 - e;
    }
    cout << ans << '\n';
    return 0;
}