using System;

​

public class Program

{

    public static void Main()

    {

        int z = 0;

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

        {

        Console.WriteLine("how much money did you give:");

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

        z = z+y;

        }

        if(z>=100)

        {

        Console.WriteLine("");

        Console.WriteLine("great! and the money we got is:"+z);

        }

        else

        {

        Console.WriteLine("");

        Console.WriteLine("we didnt achieve the goal and the money we got is:"+z);

        }

    }

}

​