//Write a program that reads an integer number n from the console and prints all the numbers in the interval [1..n], each on a single line. Note that you may need to use a for-loop.

class Numbers1N
{
    static void Main()
    {
        Console.Write("Enter n: ");
        string a = Console.ReadLine();
        int n = int.Parse(a);

        if (n > 0)
        {
            for (int i = 1;  i <= n; i++)
            {
             Console.WriteLine(i);
             }
        }
        else if (n < 0)
        {
            for (int i = -1; i >= n; i--)
            {
                Console.WriteLine(i);
            }
        }
        else
        {
                Console.WriteLine("There is only one" );
        }
    }
}