11311

#include <stdio.h>
#include <iostream>

using namespace std;

int main()
{
	int n,a,b,c,d,aa,bb,ans,t;
	cin>>t;
	while(t--)
	{
		cin>>a>>b>>c>>d;
		aa=a-c-1;
		bb=b-d-1;
		ans=aa^bb^c^d;
		if(ans==0)
		cout<<"Hansel\n";
		else
		cout<<"Gretel\n";
	}
	return 0;
}