#include <iostream>
using namespace std;
int main(void){
    string s[]={"light fly","fly","bantam","feather","light","light welter","welter","light middle","middle","light heavy","heavy"};
    int w[]={48,51,54,57,60,64,69,75,81,91};
    double a;
    
    while(cin>>a){
        int i,j;
        for(i=j=0; j<10; j++){
            if(w[i]<a) i++;
            else break;
        }
        cout<<s[i]<<endl;
    }
}

