import java.util*;

class main{

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