#include <iomanip>
#include <iostream>
#include <functional>
#include <algorithm>
#include <math.h>
#include <cmath>
#include <string>
#include <vector>
#include<set>
#include<map>
#include <time.h>
#include <fstream>
using namespace std;
typedef long long ll;

typedef   double  d;
typedef long long ll;
int main()
{

	int t;
	cin >> t;
	while (t)
	{t--;


	int x, g, y, r;
	cin >> x >> g >> y >> r;
	int loop = g + y + r;
	int c = x / (loop);
	//cout << c << endl;
	x = x - c*loop;
	if (x - g < 0){
		cout << "GREEN";

	}
	else if (x - g - y < 0){
		cout << "YELLOW";

	}
	else if (x - g - y - r < 0){
		cout << "RED";

	}

	}
}