#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <vector>
#include <algorithm>
#include <string>

using namespace std;


int main(void){

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

    return 0;
}