P1853 守望者的逃离

#include<iostream>
using namespace std;
int main() {
    int m, s, t, a = 0, b = 0;
    cin >> m >> s >> t;
    for (int i = 1; i <= t; i++) {
        a += 17;
        if (m >= 10) {
            m -= 10;
            b += 60;
        }
        else m += 4;
        a = max(a, b);
        if (a >= s) {
            cout << "Yes" << endl << i;
            return 0;
        }
    }
    cout << "No" << endl << a;
    return 0;
}