#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm>
#include<stack>
#include<queue>
#include<vector>
#include<cmath>
#include<utility>
#define ll long long int
#define ld long double
#define INF 1000000000
#define EPS 0.0000000001
#define rep(i,n) for(i=0;i<n;i++)
using namespace std;
typedef pair<int, int> P;

string str;

int main()
{
  double weight;
  while(scanf("%lf",&weight)!=EOF){
    if(weight<=48.0)
      cout<<"light fly"<<endl;
    else if(weight<=51.0)
      cout<<"fly"<<endl;
    else if(weight<=54.0)
      cout<<"bantam"<<endl;
    else if(weight<=57.0)
      cout<<"feather"<<endl;
    else if(weight<=60.0)
      cout<<"light"<<endl;
    else if(weight<=64.0)
      cout<<"light welter"<<endl;
    else if(weight<=69.0)
      cout<<"welter"<<endl;
    else if(weight<=75.0)
      cout<<"light middle"<<endl;
    else if(weight<=81.0)
      cout<<"middle"<<endl;
    else if(weight<=91.0)
      cout<<"light heavy"<<endl;
    else
      cout<<"hevy"<<endl;

  }
}