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

typedef long long ll;

#define REP(i, n) for (int i = 0; i < (n); i++)
#define INF (1<<30)

ll comb[3010][1510];

void calc_comb(int n, int k) {
	comb[0][0] = 0;
	comb[1][0] = comb[1][1] = 1;

	for (int i = 2; i < n; i++) {
		for (int j = 0; j < k; j++) {
			if(i<j) continue;
			if(j==0) comb[i][j] = 1;
			else comb[i][j] = comb[i-1][j] + comb[i-1][j-1];
			if(comb[i][j] > (ll)1e20) comb[i][j]=-1;
		}
	}
}


int main() {
	calc_comb(3010,1510);

	int Q; cin >> Q;
	for (int i = 0; i < Q; i++) {
		int D, X, T;
		cin >> D >> X >> T;

		if (comb[X + D - 1][X] > T || comb[X + D - 1][X] == -1) {
			cout << "ZETUBOU" << endl;
		}
		else {
			cout << "AC" << endl;
		}
	}
}