#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstdlib>
#include<vector>
#include<string>
#include<sstream>
#include<cmath>
#include<numeric>
#include<map>
#include<stack>
#include<queue>
using namespace std;
long long mod = 1e9 + 7;

int main(void) {
  char c[3];
  cin >> c[0] >> c[1] >> c[2];
  if(c[0] == '?') {
    if(c[1] == '2') {
      cout << 4 << endl;
    }else{
      cout << 1 << endl;
    }
  }
  if(c[1] == '?') {
    if(c[0] == '2') {
      cout << 14 << endl;
    }else{
      cout << 14 << endl;
    }
  }
  if(c[2] == '?') {
    if(c[0] == '2') {
      cout << 1 << endl;
    }else{
      cout << 4 << endl;
    }
  }

  return 0;
}



// EOF