// editor2
#include <iostream>
using namespace std;
int main() {
    double price;
    cin >> price;
    
    if (price < 0) {
        cout << "Invalid input";
    }
    else if (price < 20000) {
        cout << "Economy";
    else if (price <= 50000) {
        cout << "Mid-range";
    }
    else {
        cout << "Luxury";
    }
    return 0;
}