using System;

public class Program

{

    public static void Main()

    {

        double a,b,c,d,e;

        Console.WriteLine("ציון פנימי");

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

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

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

        d = a * 0.30;

    }

}