#include<iostream>
#include<algorithm>
#include<cstdio>
using namespace std;
int main(){
    double w;
    while(scanf("%lf",&w)!=EOF){
        if(w<=48) cout<<"light fly"<<endl;
        else if(w<=51) cout<<"fly"<<endl;
        else if(w<=54) cout<<"bantam"<<endl;
        else if(w<=57) cout<<"feather"<<endl;
        else if(w<=60) cout<<"light"<<endl;
        else if(w<=64) cout<<"light welter"<<endl;
        else if(w<=69) cout<<"welter"<<endl;
        else if(w<=75) cout<<"light middle"<<endl;
        else if(w<=81) cout<<"middle"<<endl;
        else if(w<=91) cout<<"light heavy"<<endl;
        else cout<<"heavy"<<endl;
    }
    return 0;
}