#include <iostream>
#include <vector>
#include <string>
#include <fstream>

using namespace std;

int main()
{
    int n;
    ifstream myfile("input.txt");
    myfile >> n; 
    if (n%2==1) {
        std::cout << "Either";
    }
    else if (n%2==0) {
        if ((n/2)%2==1) {
            std::cout << "Odd";
        }
        else {
            std::cout << "Even";
        }
    }
}