#include <iostream>
#include <algorithm>

using namespace std;

int main(){

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

	return 0;
}