//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  char A, B, C; cin >> A >> B >> C;
  
  if(B == '?'){
    printl(14);
  }else{
    int X = B-'0';
    
    X == 2 ? printl(4) : printl(1);
  }
  
  return 0;
}