#include<bits/stdc++.h> using namespace std; int main(){ int n,a,b,c,s; cin>>n; for(int i=1;i<=n;i++){ cin>>a>>b>>c; if(a*a+b*b==c*c||a*a+c*c==b*b||b*b+c*c==a*a) cout<<"good"<<endl; else if(a==b||a==c||b==c) cout<<"perfect"<<endl; else cout<<"just a triangle"; } }