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