#include <iostream> #include <algorithm> 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" << '\n'; } else if(a == b || a == c || b == c){ cout << "perfect" << '\n'; } else cout << "just a triangle" << '\n'; } return 0; }