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