#include <iostream>
using namespace std;
int main(){
    double w;
    while(cin >> w){
        if(w<=48.00){
            cout << "light fly\n";
            continue;
        }
        if(w<=51.00){
            cout << "fly\n";
            continue;
        }
        if(w<=54.00){
            cout << "bantam\n";
            continue;
        }
        if(w<=57.00){
            cout << "feather\n";
            continue;
        }
        if(w<=60.00){
            cout << "light\n";
            continue;
        }
        if(w<=64.00){
            cout << "light welter\n";
            continue;
        }
        if(w<=69.00){
            cout << "welter\n";
            continue;
        }
        if(w<=75.00){
            cout << "light middle\n";
            continue;
        }
        if(w<=81.00){
            cout << "middle\n";
            continue;
        }
        if(w<=91.00){
            cout << "light heavy\n";
            continue;
        }
        cout << "heavy\n";
    }
}