using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
namespace MethoodsAndStrings
{
    internal class Program
    {
        static void Main(string[] args)
        {
            int position = int.Parse(Console.ReadLine());
            int[] path = Console.ReadLine().Split(',').Select(int.Parse).ToArray();
            string[] commands = Console.ReadLine().Split(' ');
            long sumForeword = 0;
            long sumBackwords = 0;

            while (commands[0] != "exit")
            {
                int steps = int.Parse(commands[0]);
                string direction = commands[1];
                int size = int.Parse(commands[2]);

                if (direction == "forward")
                {
                    while(steps>0)
                    {
                        if (position + size >= path.Length)
                        {
                            position = position + size - path.Length;
                        }
                        else
                        {
                            position += size;
                        }
                        sumForeword += path[position];
                        steps--;
                    }
                }
                else if (direction == "backwards")
                {
                    while (steps > 0)
                    {
                        if (position - size < 0)
                        {
                            position = position - size + path.Length;
                        }
                        else
                        {
                            position -= size;
                        }
                        sumBackwords += path[position];
                        steps--;
                    }
                }
                commands = Console.ReadLine().Split(' ');
            }

            Console.WriteLine($"Forward: {sumForeword}");
            Console.WriteLine($"Backwards: {sumBackwords}");
        }
    }
}