#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin>>n;
    int a,b,c;
    for(int i=0;i<n;i++){
    	cin>>a>>b>>c;
    	if((a+b+c)==3*a){
    		cout<<"perfect"<<endl;
		}else if((a*a+b*b)==c*c||(a*a+c*c)==b*b||(c*c+b*b)==a*a){
			cout<<"good"<<endl;
		}else{
			cout<<"bad"<<endl;
		}
	}
}