using System;

public class Program

{

    public static void Main()

    {

        int i = 1, n;

        Console.Write("Masukkan n: ");

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

        do

        {

        Console.WriteLine(i);

        i += 1; //Seharusnya i+=1;

        } while (i <= n);

    }

}