#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main() {
    double w;
    while (cin >> w) {
        if (w <= 48) {
            cout << "light fly" << endl;
        } else if (w <= 51) {
            cout << "fly" << endl;
        } else if (w <= 54) {
            cout << "bantam" << endl;
        } else if (w <= 57) {
            cout << "feather" << endl;
        } else if (w <= 60) {
            cout << "light" << endl;
        } else if (w <= 64) {
            cout << "light welter" << endl;
        } else if (w <= 69) {
            cout << "welter" << endl;
        } else if (w <= 75) {
            cout << "light middle" << endl;
        } else if (w <= 81) {
            cout << "middle" << endl;
        } else if (w <= 91) {
            cout << "light heavy" << endl;
        } else {
            cout << "heavy" << endl;
        }
    }
    return 0;
}