#include<bits/stdc++.h>
using namespace std;

int main() {
    string c1,c2,c3;
    cin >> c1 >> c2 >> c3;
    if(c1 == "?"){
        cout << "4" << endl;
    }else if(c2 == "?"){
        cout << "14" << endl;
    }else if(c3 == "?"){
        cout << "4" << endl;
    }
}