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