#include <iostream>
using namespace std;
int main()
{
 double Price;
 if(!(cin >> Price) || Price < 0)
 {
  cout << "Invalid input";
  return 0;
 }
 if (Price < 20000){
    cout << "Economy";
    }else if (Price <= 50000){
    cout << "Mid-range";
    }
    else{
        cout<<"Luxury"
    }
    
    return 0;
}