using System;

​

public class Program

{

    public static void Main()

    {

        int count = 1, sum = 0, n, old = 0, sum2 = 0;

        while (count <= 100)

        {

            n = 99;

            while (n < 100 || n > 999)

            {

                Console.WriteLine("enter a number: " + count);

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

            }

​

            if (n / 100 == n % 10)

                sum++;

            if (old == n)

                sum2++;

            old = n;

            count++;

        }

​

        Console.WriteLine("sum = " + sum);

        Console.WriteLine("sum2 = " + sum2);

    }

}