#include<iostream> 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||a*a+c*c==b*b||c*c+b*b==a*a){ cout<<"good"<<endl; } else if(a==b||b==c||a==c){ cout<<"perfect"<<endl; } else cout<<"just a triangle"<<endl; } return 0; }