using System;

public class Program

{

    public static void Main()

    {

        double len=1, dis1=10, dis2;

        Console.WriteLine("the box lenght");

        Console.WriteLine(len);

        Console.WriteLine("the distanse between the box and the shooter");

        Console.WriteLine(dis1);

        Console.WriteLine("the distanse where the ball has fallen");

        dis2 = double.Parse(Console.ReadLine());

        if(dis2<(dis1+len) && dis2>dis1)

        {

        Console.WriteLine("the ball got in");

        }

        else if(dis2<dis1)

        {

        Console.WriteLine("hasn't got in, missed the box by " + ((dis1+len/2)-dis2) + "meters");

        }

        else if(dis2>(dis1+len))

        {

        Console.WriteLine("hasn't got in, missed the box by " + (dis2-(dis1+len/2)) + "meters");

        }

        else

        Console.WriteLine("the ball hit the edge of the box");

    }

}

​