#include <iostream>
#include <cstdio>
using namespace std;

int main(){
    double n;
    while(scanf("%lf",&n) != EOF){
        if(n <= 48.00) cout << "light fly" <<endl;
        else if(n <= 51.00) cout << "fly" << endl;
        else if(n <= 54.00) cout << "bantam" << endl;
        else if(n <= 57.00) cout << "feather" << endl;
        else if(n <= 60.00) cout << "light" << endl;
        else if(n <= 64.00) cout << "light welter" << endl;
        else if(n <= 69.00) cout << "welter" << endl;
        else if(n <= 75.00) cout << "light middle" << endl;
        else if(n <= 81.00) cout << "middle" << endl;
        else if(n <= 91.00) cout << "light heavy" << endl;
        else cout << "heavy" << endl;
    }
}