using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter Number:");

        int n=int.Parse(Console.ReadLine());

        Console.Write("Even:");

     for(int i=1;n>=i;i++){

        Console.Write(E(i));}

        Console.WriteLine();

Console.Write("Odd:");

     for(int i=1;n>=i;i++){

        Console.Write(O(i));}

    }

​

    public static string E(int n){

        if(n%2==0){return ""+n;}

        else{return ",";}

    }

public static string O(int n){

        if(n%2==0){return "";}

       else{return " "+O(n);}

}

}