using System;

public class Program

{

    public static void Main()

    {

        double nb=12.5;

        double pencil=3.25;

        int pen=5;

        double mark=9.5;

        int rule=15;

        int bp=100;

        int c1,c2,c3,c4,c5,c6;

        double t;

        Console.WriteLine("Enter the values");

        Console.Write("Notebook: ");

        c1=Convert.ToInt32(Console.ReadLine()); 

        Console.Write("Pencil: ");

        c2=Convert.ToInt32(Console.ReadLine());

        Console.Write("Pen: ");

        c3=Convert.ToInt32(Console.ReadLine());

        Console.Write("Marker: ");

        c4=Convert.ToInt32(Console.ReadLine());

        Console.Write("Rule: ");

        c5=Convert.ToInt32(Console.ReadLine());

        Console.Write("Backpack: ");

        c6=Convert.ToInt32(Console.ReadLine());

        t=(c1*nb)+(c2*pencil)+(c3*pen)+(c4*mark)+(c5*rule)+(c6*bp);

        Console.WriteLine("The total is: {0}  Sergio Uriel Gonzalez Garcia",t);

    }

}