#define _USE_MATH_DEFINES
#include <algorithm>
#include <cstdio>
#include <functional>
#include <iostream>
#include <cfloat>
#include <climits>
#include <cstring>
#include <cmath>
#include <map>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <time.h>
#include <vector>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> i_i;
typedef pair<ll, int> ll_i;
typedef pair<double, int> d_i;
typedef pair<ll, ll> ll_ll;
typedef pair<double, double> d_d;
struct edge { int u, v; ll w; };

ll MOD = 129402307;
ll _MOD = 129402306;
double EPS = 1e-10;

int main() {
	vector<vector<double> > a(4000, vector<double>(4000));
	vector<vector<ll> > c(4000, vector<ll>(4000));
	for (int i = 0; i < 4000; i++) {
		a[i][0] = 1;
		c[i][0] = 1;
		for (int j = 1; j <= i; j++) {
			a[i][j] = a[i - 1][j] + a[i - 1][j - 1];
			c[i][j] = a[i - 1][j] + c[i - 1][j - 1];
		}
	}
	int Q; cin >> Q;
	while (Q--) {
		int D, X; cin >> D >> X;
		ll T; cin >> T;
		if (a[X + D - 1][X] <= T * 2 && c[X + D - 1][X] <= T)
			cout << "AC" << endl;
		else
			cout << "ZETUBOU" << endl;
	}
}