#include <bits/stdc++.h>
using namespace std;
#define ll long long int

void mainSolve()
{
	int x,y,z;
	cin>>x>>y>>z;
	if(z % x == 0 && z % y != 0)
	    cout <<"CHICKEN"<<endl;
	else if(z % x != 0 && z%y == 0)
	    cout <<"DUCK"<<endl;
	else if(z % x == 0 && z % y == 0)
	    cout <<"ANY"<<endl;
	else if(z % x != 0 && z % y != 0)
	    cout <<"NONE"<<endl;
}

int main()
{
  int t;
  cin>>t;
  while (t--)
  {
    mainSolve();
  }
  return 0;
}