#include "bits/stdc++.h"

using namespace std;

using LL = long long int;
using LD = long double;

using pii = pair<int, int>;
using pll = pair<LL, LL>;
using pdd = pair<double, double>;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vl = vector<LL>;
using vvl = vector<vl>;
using vvvl = vector<vvl>;
using vd = vector<double>;
using vvd = vector<vd>;
using vs = vector<string>;
using vb = vector<bool>;
using vvb = vector<vb>;

const int INF = (1 << 30) - 1;
const LL INF64 = ((LL)1 << 62) - 1;
const double PI = 3.1415926535897932384626433832795;

const int dx[] = { 1, 0, -1, 0 };
const int dy[] = { 0, 1, 0, -1 };

int gcd(int x, int y) { return y ? gcd(y, x % y) : x; }
LL gcd(LL x, LL y) { return y ? gcd(y, x % y) : x; }

bool solve(LL d, LL x, LL t) {
	LL calcRes = 1;
	for (int i = 1; i < d; i++) {
		calcRes = calcRes * (x + i) / i;
		if (calcRes > t) {
			return false;
		}
	}

	return (calcRes <= t ? true : false);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	
	int q;
	cin >> q;

	for (int i = 0; i < q; i++) {
		LL d, x, t;
		cin >> d >> x >> t;
		cout << (solve(d, x, t) ? "AC" : "ZETUBOU") << endl;
	}
	return 0;
}