import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
               Scanner sc = new Scanner(System.in);		
               int a = sc.nextInt();
               int b = sc.nextInt();
		
		String odd = "Odd";
		String even = "Even";
		String answer = "";
		
		int result = a * b;
		if (result % 2 == 1 ) {
			answer = odd;
		}else{
			answer = even;
		}
		
		System.out.println(answer);

	}

}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz