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