using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter a number:");

        int n = Int32.Parse(Console.ReadLine());

        int rem = 0;

        int largest = 0;

        int smallest = 9;

        for (int i = n; i > 0; i /= 10)

    {

       rem = n % 10;

        largest = Math.Max(rem, largest);

​

        smallest = Math.Min(rem, smallest);

        n = n / 10;

    }

    Console.WriteLine(largest + " " + smallest);

}

}

​