#include<bits/stdc++.h> using namespace std; int main(){ int t,a,b,c; cin>>t; for(int i=0;i<t;i++){ cin>>a>>b>>c; if(a*a+b*b==c*c) cout<<"good"<<endl; else if(a==b||b==c||c==a) cout<<"perfect"<<endl; else cout<<"just a triangle"<<endl; } return 0; }