#include<iostream>
#include<string>
#include<algorithm>
#include<cmath>
#include<iomanip>
#include<cstring>
#include<map>
#include<vector>
#include<queue>
#include<utility>
using namespace std;
typedef long long int ll;

int main(){

  char a, b, c;
  cin >> a >> b >> c;
  if(a=='?'){
    if(b<c){
      cout << 4 << endl;
    } else {
      cout << 1 << endl;
    }
  } else if(b=='?'){
    cout << 14 << endl;
  } else if(c=='?'){
    if(a<b){
      cout << 1 << endl;
    } else {
      cout << 4 << endl;
    }
  }

  return 0;
}