#include<iostream>

using namespace std;

int main(){

	int Q,D,X,T;

	cin>>Q;

	for(int i=0;i<Q;i++){
		cin>>D>>X>>T;
		int c=0;
		if(T==0) cout<<"ZETSUBOU"<<endl;
		else if(D==1) cout<<"AC"<<endl;
		else{
			while(D!=0&&X!=0){
				D--;
				int tmp=X+1;
				c+=tmp*(tmp+1)/2;
				X--;
			}
			if(c<=T) cout<<"AC"<<endl;
			else cout<<"ZETSUBOU"<<endl;
		}
	}

}