#include<iostream> #include<cstdio> int main(){ int a,b,c,t; cin>>t; for(int i=1;i<=t;i++){ cin>>a>>b>>c; if(a==b||b==c||a==c)cout<<"perfect"<<endl; else if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a) cout<<"good"<<endl; else cout<<"just a triangle"<<endl; }return 0; }