/* * Author: nskybytskyi * Time: 2022-01-07 14:20:00 */ #include using namespace std; int main() { cin.tie(0)->sync_with_stdio(0); int n, s; cin >> n >> s; if (25 <= s && s < 29ll * n) { cout << "Yes\n"; } else { cout << "No\n"; } return 0; }