#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

int main() {
    int N, S;
    cin >> N >> S;
    if(24 * N < S && S <= 29 * N) {
        cout << "Yes" << endl;
        return 0;
    }
    cout << "No" << endl;
    return 0;
}