#include<iostream>
#include<cstdio>
using namespace std;
#define int long long
signed main(){
	float a;
	while( scanf("%f", &a) != EOF ){
		if(a <= 48) cout << "light fly" << endl;
		else if(a <= 51) cout << "fly" << endl;
		else if(a <= 54) cout << "bantam" << endl;
		else if(a <= 57) cout << "feather" << endl;
		else if(a <= 60) cout << "light" << endl;
		else if(a <= 64) cout << "light welter" << endl;
		else if(a <= 69) cout << "welter" << endl;
		else if(a <= 75) cout << "light middle" << endl;
		else if(a <= 81) cout << "middle" << endl;
		else if(a <= 91) cout << "light heavy" << endl;
		else  cout << "heavy" << endl;
	}
	return 0;
}