using System;

public class Program

{

    public static void Main()

    {

        int input, rabatt = 0;

        Console.Write("Menge eingeben: ");

        input = Convert.ToInt32(Console.ReadLine());

        if(input > 0){

            if(input >= 10){

                rabatt = 5;

            }else if(input >= 50){

                rabatt = 7;

            }else if(input >= 100){

                rabatt = 10;

            }

            Console.WriteLine("Der Rabatt beträgt: {0}%", rabatt);

        }else{

            Console.WriteLine("Ungültige Eingabe!");

        }

    }

}