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