using System;

public class Program

{ 

    public abstract class AbstractEmployee

    {

      public abstract double Indexing();

      public abstract void SalaryChange();

      public abstract double SalarySum();

      public abstract void PrintSalary();

    }

    public class Boss: AbstractEmployee

    { private double salary= 1050;

      public double Salary

      {

       set{salary=value;}

       get{return salary;}

      }

      public override double Indexing()

      { 

        double a= 1/10*this.Salary*12;

        return a;

      }

      public override void SalaryChange()

      { 

         Console.WriteLine("Въведи променена заплата");

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

         this.salary=a; 

      }

      public override double SalarySum()

      { this.salary=1050;

        return this.salary;

      }

      public override void PrintSalary()

      { 

        Console.WriteLine("{0}",this.Salary);

      }

     public Boss()

     { this.Salary=1050; 

     } 

    }

    public class CommissionWorker: AbstractEmployee

    { private double salary;

      public double Salary

      { 

        set{salary=value;}

        get{return salary;}

      }

     public override double SalarySum()

     { Console.WriteLine("Въведи продажби");

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

       Console.WriteLine("Въведи процент комисионна");

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

     double sum= this.salary+per/100*sales;

       return sum;

     }

     public override double Indexing()

     {double a= 1/10*this.Salary*12;

        return a; 

     }

     public override void SalaryChange()

      { Console.WriteLine("Въведи променена заплата");

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

         this.salary=a; 

      }

     public override void PrintSalary()

      { double p= this.SalarySum();

         Console.WriteLine("{0}",this.SalarySum());

      }

     public CommissionWorker()

     {

     }

     public CommissionWorker(double d)

     { this.salary=d;

     }

    }

    public class PieceWorker: AbstractEmployee

    { private double quantity;

      public double Quantity

      { 

        set{quantity=value;}

        get{return quantity;}

      }

     public override double SalarySum()

     {Console.WriteLine("Въведи изработено количество работа за месец");

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

      Console.WriteLine("Въведи базова заплата");

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

    double salary= this.quantity/q*sal;

      return salary;

     }

     public override double Indexing()

     {double a= 1/10*this.SalarySum()*12;

        return a; 

     }

     public override void SalaryChange()

      { Console.WriteLine("Въведи промененo количество работа");

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

         this.Quantity=a; 

      }

     public override void PrintSalary()

      { double p= this.SalarySum();

         Console.WriteLine("{0}",this.SalarySum());

      }

    }

    public static void Main()

    {

    }

}