import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner stdIn = new Scanner(System.in);
		int a = stdIn.nextInt();
		int b = stdIn.nextInt();
		
		if ((a*b)%2 == 0)
			System.out.print("Even");
		else
			System.out.print("Odd");
	}

}