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:");
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);}