#include <iostream>
using namespace std;
int main() {
    double price;
    
    if(!(cin >> price)|| price < 0) {
        cout << "Invalid input";
        return0;
    }
    
    if(price < 20000)
       cout << "Economy";
    else if(price <=50000)
       cout << "Mid-range";
    else
       cout << "Luxury";
       
    return 0;
}