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