#include <stdio.h>
#include <iostream>

using namespace std;

#define ll long long

int main() {
  ll N, S; cin >> N >> S;

  if (25 + (N - 1) <= S && S <= 29 * N) {
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }

  return 0;
}