#include <bits/stdc++.h>
using namespace std;
int main(void){
    double n;
    while (cin>>n) {
        if (n<=48.00) {
            cout<<"light fly"<<endl;
        } else if (n>48.00 && n<=51.00){
            cout << "fly" << endl;
        } else if (n>51.00 && n<=54.00) {
            cout << "bantam" << endl;
        } else if (n>54.00 && n<=57.00) {
            cout << "feather" << endl;
        } else if (n>57.00 && n<=60.00) {
            cout << "light" << endl;
        } else if (n>60.00 && n<=64.00) {
            cout << "light welter" << endl;
        } else if (n>64.00 && n<=69.00) {
            cout << "welter" << endl;
        } else if (n>69.00 && n<=75.00) {
            cout << "light middle" << endl;
        } else if (n>75.00 && n<=81.00) {
            cout << "middle" << endl;
        } else if (n>81.00 && n<=91.00) {
            cout << "light heavy" << endl;
        } else if (n>91.00) {
            cout << "heavy" << endl;
        }
    }
}

