#include<bits/stdc++.h>
using namespace std;
int arr[7];
int cnt = 0;
int max_num = 0;
int main() {
	for (int i = 0; i < 7; i++) {
		cin >> arr[i];
		if (max_num < arr[i]) {
			max_num = arr[i];
			cnt = i + 1;
		}
	}
	char s[7][10] = {"Red", "Orange", "Yellow", "Green", "Blue", "Indigo", "Violet"};
	cout << s[cnt - 1];
	return 0;
}