Student cable

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication4
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int counter = 0;
            int cableLength = 0;
            string system = string.Empty;
            int sum = 0;
            int losed = 0;
            while (counter < n)
            {
                cableLength = int.Parse(Console.ReadLine());
                system = Console.ReadLine();


                    if (system == "meters")
                {
                    sum += (cableLength * 100);
                    losed++;
                }
                if (system == "centimeters")
                {
                    if (cableLength < 20)
                    {
                        sum += 0;
                    }
                    else
                    {
                        sum += (cableLength);
                        losed++;
                    }

                }


                counter++;
            }
            int cable = (int)(sum - (losed - 1) * 3);
            int output = 0;
            int outputSecond = 0;
            for (int i = 504; i < cable; i+=504)
            {
                output += 1;
                outputSecond += 504;

            }

            Console.WriteLine(output);
            Console.WriteLine(cable - outputSecond);
        }
    }
}