02.Student Cables

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

class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        long totalLength = 0;
        int cablecount = n;
        for(int i = 0;i<n;i++)
        {
            int length = int.Parse(Console.ReadLine());
            string measure = Console.ReadLine();
            if(measure == "meters")
            {
                length = length * 100;
            }
            if(length>=20)
            {
                totalLength += length;
            }
            else if(length<20)
            {
                cablecount--;
            }
        }
        totalLength -= (cablecount - 1) * 3;
        Console.WriteLine(totalLength/504);
        Console.WriteLine(totalLength%504);

    }
}