#include <iostream> using namespace std; int main() { int t; cin >> t; while (t--) { int a, b, c; cin >> a >> b >> c; bool isRight = (a * a + b * b == c * c) || (a * a + c * c == b * b) || (b * b + c * c == a * a); bool isIsosceles = (a == b) || (a == c) || (b == c); if (isRight) { cout << "good" << endl; } else if (isIsosceles) { cout << "perfect" << endl; } else { cout << "just a triangle" << endl; } } return 0; }