#include<iostream> using namespace std; int main(){ int t; cin>>t; for (int i=0;i<t;i++){ long long a,b,c; 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 || a==c || c==b){ cout<<"perfect"<<endl; } else{ cout<<"just a triangle"<<endl; } } return 0; }