using System;

public class Program

{

    public static void Main()

    {

        int tens = 0;

        int hundrets = 0;

        int rounds = 0;

        Console.WriteLine("Enter 10 three-digit numbers:");

        for(int i = 1; i<=10; i++)

        {

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

            tens = tens+(num%100/10);

            hundrets = hundrets*(num/100);

            if(num%100 == 0)

                rounds++;

        }

        Console.WriteLine("The sum of all the tens digits: "+tens);

        Console.WriteLine("The multipliction of all the hundrets digits: "+hundrets);

        Console.WriteLine("The number of numbers that are an integer multiple of 100: "+rounds);

    }

}