import java.util.Scanner;
public class Rec1{

	public static void main(String[] args) {
	Scanner input = new Scanner(System.in);
	
	int  dig1 = input.nextInt();
	int dig2 = input.nextInt();
	
	input.close();
	
	int prod = dig1 * dig2;
	
	if(prod % 2 == 0 ) {
		System.out.println("Even");
	}else{
		System.out.println("Odd");
		}
	}

}