using System;

public class Program

{

    public static void Main()

    {

        int MV = 0, TB = 0, X = 0;

 Console.WriteLine("Monto de Venta: ");

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

 if (MV >= 0 && MV <= 1000)

 {

 X = 1;

 }

 else

 {

 if (MV >= 1000 && MV <= 5000)

 {

 X = 2;

 }

 else

 {

 if (MV >= 5000 && MV <= 20000)

 {

 X = 3;

 }

 else

 X = 4;

 }

 }

 switch(X)

 {

 case (1):

 TB = ((0 * MV) / 100);

 break;

 case (2):

 TB = ((3 * MV) / 100);

 break;

 case (3):

 TB = ((5 * MV) / 100);

 break;

 case (4):

 TB = ((8 * MV) / 100);

 break;

 }

 Console.WriteLine("Total de Bonificacion: " + TB);

    }

}