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");
		}
	} 
}