CheckColor

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    int r,g,b;
    cin>>r>>g>>b;
    if(r>=0&&r<=255&&g>=0&&g<=255&&b>=0&&b<=255)
    {
        if(abs(r-g)<=10&&abs(r-b)<=10&&(g-b)<=10)
            cout<<"GRI";
        else
            cout<<"CULOARE";
    }
    else
        cout<<"NU E CULOARE\n";
    return 0;
}