import java.util.Scanner;
class Main{

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