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

typedef long long ll;
#define all(x) (x).begin(),(x).end()
const int mod=1000000007;

int main(){

    int Q;cin>>Q;
    for(int i=0;i<Q;i++){
        double a,b,c;cin>>a>>b>>c;
        double l=0;
        for(double i=b+a-1;i>b;i--){
            l+=log10(i);
        }
        for(double i=1;i<=a-1;i++){
            l-=log10(i);
        }
        l-=log10(c);
        if(l>=-0.00000005) cout<<"ZETUBOU"<<endl;
        else cout<<"AC"<<endl;
    }
}