using System;

//using System.Collections.Generic;

//using System.Linq;

//using System.Text.RegularExpressions;

//using System.Collections;

​

namespace Rextester

{

   public class Program{

    public static void Main(String[] args)

        {

        //Program1 p=new Program1();    

        Program2 p2=new Program2();

        p2.code();

        }

    }

    class Program2{

        public void code(){

            Program1 p=new Program1();  

        Console.WriteLine("enter no of elements");

        int n = Convert.ToInt32(Console.ReadLine());

         //int.TryParse(Console.ReadLine(),out n);

        int[] arr=new int[n];

                Console.WriteLine("enter the elements");

        for(int i=0;i<n;i++)

        {

        arr[i]=int.Parse(Console.ReadLine());

        }

        Console.WriteLine("enter nature of charge{PNP,NPN...}");

        String s=Console.ReadLine();

        int charge=p.function(s,arr,n);

        Console.WriteLine("Total charge is:" + charge);

        }

    }

    class Program1{

        public int function(String input1,int[] input2,int input3)

        {

         int a=0,c=0,z=0;

         char[] carr=input1.ToCharArray();

         for(int i=0;i<input3;i++)

         {

            if(carr[i]=='P')

            a=input2[i];

            else if(carr[i]=='N')

            a=z-input2[i];

            c=a+c;

         }

         return c*100;

         }

        }

}

​