#include<bits/stdc++.h>
using namespace std;
using Int = long long;
signed main(){
  char c1,c2,c3;
  cin>>c1>>c2>>c3;
  if(c1=='?'){
    if(c2=='2') cout<<"4"<<endl;
    else cout<<"1"<<endl;
  }
  if(c2=='?'){
    cout<<"14"<<endl;
  }
  if(c3=='?'){
    if(c2=='2') cout<<"4"<<endl;
    else cout<<"1"<<endl;
  }
  
  return 0;
}