#include <bits/stdc++.h>
#define FOR(i,a,b) for(int i = (a); i < (b); ++i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for(int i = (n) - 1; (i) >= 0; --i)
#define SZ(n) (int)(n).size()
#define ALL(n) (n).begin(), (n).end()
#define MOD LL(1e9 + 7)
#define INF 1000000
using namespace std;
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PI;

int main() {
	int q;
	cin >> q;
	string ac = "AC";
	string ze = "ZETUBOU";
	vector<string> ans;
	REP(i, q) {
		LL d, x, t;
		cin >> d >> x >> t;
		LL sum = 1;
		FOR(j, 1, d) {
			sum *= (x + j);
			sum /= j;
			if (t < sum)
				break;
		}
		if (t >= sum)
			ans.push_back(ac);
		else
			ans.push_back(ze);
	}
	for (string e : ans) {
		cout << e << endl;
	}
	return 0;
}