#include <iostream>
 
using namespace std;
 
int main()
{
    double tmp;
     
    while(cin >> tmp){
        if(tmp <= 48.0){
            cout << "light fly" << endl;
        } else if(tmp <= 51.0){
            cout << "fly" << endl;
        } else if(tmp <= 54.0){
            cout << "bantam" << endl;
        } else if(tmp <= 57.0){
            cout << "feather" << endl;
        } else if(tmp <= 60.0){
            cout << "light" << endl;
        } else if(tmp  <= 64.0){
            cout << "light welter" << endl;
        } else if(tmp <= 69.0){
            cout << "welter" << endl;
        } else if(tmp <= 75.0){
            cout << "light middle" << endl;
        } else if(tmp <= 81.0){
            cout << "middle" << endl;
        } else if(tmp <= 91.0){
            cout << "light heavy" << endl;
        } else {
            cout << "heavy" << endl;
        }
    }
     
    return 0;
}