using System;

public class Program

{

    public static void Main()

    {

            int n,i;

            Console.WriteLine("ingrese un valor");

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

            i = 1;

        Console.WriteLine("Los numeros son");

            while (i<=n)

        {

            Console.WriteLine(i);

            i = i + 1;

                }

    }

}