ABC_127 - A - Ferris Wheel

#include <bits/stdc++.h>

using namespace std;

int main () {
  ios::sync_with_stdio(0);
  int a, b;
  cin >> a >> b;
  if (a < 6) cout << "0\n";
  else if (a < 13) cout << b/2 << endl;
  else cout << b << endl;
}