#define _GLIBCXX_DEBUG //遅い可能性がある 
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ALL(a) (a).begin(),(a).end() //lower_bound(ALL(a),x)
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<vector<int>>;
template <typename T>
bool chmax(T &a, const T& b) {
  if (a < b) {
    a = b;  // aをbで更新
    return true;
  }
  return false;
}
template <typename T>
bool chmin(T &a, const T& b) {
  if (a > b) {
    a = b;  // aをbで更新
    return true;
  }
  return false;
}
int INF = 100100100;

int main() {
    int n,s;
    cin >> n >> s;
    if (25 <= s && s <= 29*n) {
        cout << "Yes" << endl;
    }
    else {
        cout << "No" << endl;
    }

}