using System;
using System.Collections;
using System.Collections.Generic;
using System.Numerics;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		for(;Q>0;Q--){
			var d=rla();
			int D=(int)d[0];
			int X=(int)d[1];
			double T=(double)d[2];
			double b=0;
			for(int i=1;i<=X+D-1;i++){
				b+=Math.Log(i);
			}
			for(int i=1;i<=X;i++){
				b-=Math.Log(i);
			}
			for(int i=1;i<=D-1;i++){
				b-=Math.Log(i);
			}
			double eps=1e-9;
			double logT=Math.Log(T);
			Console.WriteLine(b>eps+logT?"ZETUBOU":"AC");
		
		
		}
		
	}
	int Q;
	public Sol(){
		Q=ri();
	}




	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(){return Console.ReadLine().Split(' ');}
	static int[] ria(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>int.Parse(e));}
	static long[] rla(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>long.Parse(e));}
	static double[] rda(){return Array.ConvertAll(Console.ReadLine().Split(' '),e=>double.Parse(e));}
}