#include<iostream>

using namespace std;

int main() {
	
	double a;
	
	cin >> a;
	
	if( a <= 48 )
	cout << "light fly\n";
	
	else if ( a <= 51 )
	cout << "fly\n";
	
	else if ( a <= 54 )
	cout << "bantam\n";
	
	else if ( a <= 57 )
	cout << "feather\n";
	
	else if ( a <= 60 )
	cout << "light\n";
	
	else if ( a <= 64 )
	cout << "light welter\n";
	
	else if ( a <= 69 )
	cout << "welter\n";
	
	else if ( a <= 75 )
	cout << "light middle\n";
	
	else if ( a <= 81 )
	cout << "middle\n";
	
	else if ( a <= 91 )
	cout << "light heavy\n";
	
	else
	cout << "heavy\n";
	
	return 0;
}
