import java.util.*;
public class App{
	public static void main(String[] args){

		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int m = sc.nextInt();
		if((n * m) % 2 == 1){
			System.err.println("Odd");
		}
		else{
			System.err.println("Even");
		}
	}
}