#include<iostream>
#include<algorithm>
using namespace std;

int main(){
    double a;
    while(cin>>a){
        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;
    }
}