#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    string s1, s2, s3;
    cin >> s1 >> s2 >> s3;
    if (s1 == "?"){
        if (s2 == "3") cout << 1 << endl;
        else cout << 4 << endl;
    } else if (s3 == "?"){
        if (s1 == "2") cout << 1 << endl;
        else cout << 4 << endl;
    } else cout << 14 << endl;
}