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();
     if((a*b)%2==0){
        system.out.println("Even");
     }else{
       system.out.println("Odd");
     } 
    }
}