import java.util.*;
class EvenOddDay 
{
    public static void main(String[] args) 
    {
        Scanner input=new Scanner(System.in);
        int num=-1;
        while(num!=0){
             System.out.print("Enter Number: ");
              num=input.nextInt();
              if(num==0){
                  System.exit(0);
              }
             if(num%2==0){
                System.out.println("Even Day");
             }
             else{
                System.out.println("Odd Day");
             }
             }

    }
}