using System;

public class Program

{

     static char[] Trans(char[]c)

    {

         for (int i = 0; i <10; i++)

         {

            if (c[i] == '_')

                c[i] = ' ';

         }

            return c;

     }

         static int TotalSum(char[]a)

    {

        int sum = 0;

        for (int i = 0; i <10; i++)

        {

            char c = a[i];

            if (c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F')

                sum += 20;

            else if (c >= 'g' && c <= 'o' || c >= 'G' && c <= 'O')

                sum += 18;

            else if (c >= 'p' && c <= 'z' || c >= 'P' && c <= 'Z')

                sum += 15;

            else if (c==' ')

                sum += 2;

          }

            return sum;

        }

    public static void Main()

    {

        int sum;

        char [] c = new char[10];

        Console.WriteLine("enter the letters");

          for (int i = 0; i <10; i++)

        {

            c[i] = char.Parse(Console.ReadLine());

        }

            Trans(c);

            sum = TotalSum(c);

        Console.WriteLine(c);

        Console.WriteLine(sum);

    }

  }

​