#include <iostream> #include <algorithm> using namespace std; int main() { int t; cin >> t; for (int i = 0; i < t; i++) { int a, b, c; cin >> a >> b >> c; int sides[3] = {a, b, c}; sort(sides, sides + 3); if (sides[0] * sides[0] + sides[1] * sides[1] == sides[2] * sides[2]) { cout << "good" << endl; } else if (a == b || b == c || a == c) { cout << "perfect" << endl; } else { cout << "just a triangle" << endl; } } return 0; }