#include <bits/stdc++.h>

using namespace std;

template <typename T> T gcd(T x, T y) {
  if (y == 0)
    return x;
  return gcd(y, x % y);
}

template <typename T> T lcm(T x, T y) {
  if (x == 0 || y == 0)
    return 0;
  return x / gcd(x, y) * y;
}

int main() {
  char c1, c2, c3;
  cin >> c1 >> c2 >> c3;
  if (c2 == '?')
    cout << 14 << endl;
  else if (c2 == '3')
    cout << 1 << endl;
  else
    cout << 4 << endl;
}