#include <iostream>

void main()
{
    int a, b;
    std::cin >> a >> b;

    int mul = a * b;
    bool isEven = ((mul & 0x01) == 0);

    if (isEven) {
        std::cout << "Even" << std::endl;
    }
    else {
        std::cout << "Odd" << std::endl;
    }
}