rt，最后十五分钟看的题，结果没做出来，不知道为啥/kk

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

#define int long long
int T;

signed main() {
    int sum = 0;
    //for (int i = 207; i <= 463; i++) sum += i; cout << sum << endl;
    cin >> T;
    while (T--) {
        int x, y, z;
        cin >> x >> y >> z;
        int a = z - x;
        z -= 1;
        int num = (a + z) * (z - a + 1) / 2;
        if (num + a >= y) cout << "Renko" << endl;
        else cout << "Merry" << endl;        
    }
    return 0;
}