import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = a * b;
		if(c / 2 == 0) {
		    System.out.println("Even");
		} else {
		    System.out.println("Odd");
		}
		
	}
}