import java.util.Scanner;

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


    }
}