#include <iostream>
using namespace std;
int main(void){
    double w; //体重

    while(cin >> w){
        if(w <= 48.00) cout << "light fly" << endl;
        else if(w > 48.00 && w <= 51.00) cout << "fly" << endl;
        else if(w > 51.00 && w <= 54.00) cout << "bantam" << endl;
        else if(w > 54.00 && w <= 57.00) cout << "feather" << endl;
        else if(w > 57.00 && w <= 60.00) cout << "light" << endl;
        else if(w > 60.00 && w <= 64.00) cout << "light welter" << endl;
        else if(w > 64.00 && w <= 69.00) cout << "welter" << endl;
        else if(w > 69.00 && w <= 75.00) cout << "light middle" << endl;
        else if(w > 75.00 && w <= 81.00) cout << "middle" << endl;
        else if(w > 81.00 && w <= 91.00) cout << "light heavy" << endl;
        else cout << "heavy" << endl;
    }
}

