#include<iostream>
using namespace std;

typedef long long ll;

int main(){
    int q;
    cin >> q;

    ll d,x,t,times;
    while(q-- > 0){
        cin >> d >> x >> t;
        times = 1;

        if(d != 1){
            d--;
            if(d > x)   swap(d,x);

            ll top = x+d;
            ll bottom = d;

            for(ll i = 1; i <= bottom; i++){
                times *= (top-- / i);
                if(times > 1e15){
                    times = t+1;
                    break;
                }
            }
        }

        if(times <= t)  cout << "AC" << endl;
        else            cout << "ZETUBOU" << endl;
    }

    return 0;
}