#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <cstdio>
#include <cstdlib>
#include <cmath>

using namespace std;

long long fac(long long n){
    long long ans = 1;
    while(n > 0){
        ans *= n;
        n--;
    }
    return ans;
}

long long Comb(long long n, long long k){
    long long ans = 1;
    long long kk = k;
    while(kk > 0){
        ans *= n;
        ans /= kk;
        kk--; n--;
    }
    return ans;
}

int main(){
    int N;
    
    cin >> N;
    for(int i=0; i<N; i++){
        long long D, X, T;
        cin >> D >> X >> T;
        if(Comb(X+D-1, X) > T)
            cout << "ZETUBOU" << endl;
        else
            cout << "AC" << endl;
    }
    
    return 0;
}