using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hector L. Galvan Sandoval");   

        Console.WriteLine("Introduce how many numbers want to compare:");

        int n1 = Convert.ToInt32(Console.ReadLine());

        int greater = 0;

        int least = 0;

        for(int i= 0; i < n1; i++)

        {

            Console.Write("Number: ");

            int n = Convert.ToInt32(Console.ReadLine());

            if(i==0)

                least = n;

            if(n < least)

                least = n;

            else if(n > greater)

                greater = n;

        }

        Console.WriteLine("\nLeast: {0}" ,least);

        Console.WriteLine("\nGreater: {0}",greater);

    }

}

​