#include <iostream>

using namespace std;

int main() {
    double w;
    while (cin >> w) {
        if (w > 91) {
            cout << "heavy" << endl;
        }
        else if (w > 81) {
            cout << "light heavy" << endl;
        }
        else if (w > 75) {
            cout << "middle" << endl;
        }
        else if (w > 69) {
            cout << "light middle" << endl;
        }
        else if (w > 64) {
            cout << "welter" << endl;
        }
        else if (w > 60) {
            cout << "light welter" << endl;
        }
        else if (w > 57) {
            cout << "light" << endl;
        }
        else if (w > 54) {
            cout << "feather" << endl;
        }
        else if (w > 51) {
            cout << "bantam" << endl;
        }
        else if (w > 48) {
            cout << "fly" << endl;
        }
        else {
            cout << "light fly" << endl;
        }
    }

    return 0;
}