#include<iostream>
using namespace std;
int main(){
double a;
while(cin>>a){
if(a<=48)cout<<"light fly";
else if(a<=51)cout<<"fly";
else if(a<=54)cout<<"bantam";
else if(a<=57)cout<<"feather";
else if(a<=60)cout<<"light";
else if(a<=64)cout<<"light welter";
else if(a<=69)cout<<"welter";
else if(a<=75)cout<<"light middle";
else if(a<=81)cout<<"middle";
else if(a<=91)cout<<"light heavy";
else cout<<"heavy";
cout<<endl;
}
return 0;
}