#include<iostream>
#include<stdlib.h>
using namespace std;

int main()
{
    char a[3];
    int cnt=0;
    while(cnt!=3){
        cin>>a[cnt];
        cnt++;
    }
    if(a[0]=='?'){
        if(a[1]=='2'){
            cout<<4<<endl;
        }
        else { cout<<1<<endl; }
    }
    else if(a[1]=='?'){
        cout<<14<<endl;
    }
    else if(a[2]=='?'){
        if(a[1]=='3'){ cout<<1<<endl;}
        else { cout<<4<<endl;}
    }
    else { cout<<4<<endl;}
    
    return EXIT_SUCCESS;
}