#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  long long N, S;
  cin >> N >> S;
  if (S >= 25 && S <= N * 29) {
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
  return 0;
}