import java.util.*;
public class Main{
  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");
	    }
    
  }
}