using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Regexs
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] array = Console.ReadLine().Split(", ").Select(int.Parse).ToArray();   //change to split by comma and space
            int startIndex = int.Parse(Console.ReadLine());                             //read index of entry point
            int number = array[startIndex];                                             //take element on entry point position
            string input = Console.ReadLine();
            int leftcheapsum = 0;
            int rightcheapsum = 0;
            int leftexpensivesum = 0;
            int rightexpensivesum = 0;

            for (int i = 0; i < array.Length; i++)
            {

                if (input == "cheap")
                {
                    if (array[i] < number)
                    {
                        if (i < startIndex)                                             //change to compare current index to starting index
                        {

                            leftcheapsum = leftcheapsum + array[i];

                        }
                        if (i > startIndex)                                             //change to compare current index to starting index
                        {

                            rightcheapsum = rightcheapsum + array[i];

                        }
                    }

                }
                if (input == "expensive")
                {
                    if (array[i] >= number)
                    {
                        if (i < startIndex)                                             //change to compare current index to starting index
                        {

                            leftexpensivesum = leftexpensivesum + array[i];

                        }
                        if (i > startIndex)                                             //change to compare current index to starting index
                        {

                            rightexpensivesum = rightexpensivesum + array[i];

                        }
                    }

                }

            }
            if (input == "cheap")
            {
                if (leftcheapsum >= rightcheapsum)
                {
                    Console.WriteLine($"left - {leftcheapsum}");
                }
                else
                {
                    Console.WriteLine($"right - {rightcheapsum}");
                }
            }
            if (input == "expensive")
            {
                if (leftexpensivesum >= rightexpensivesum)
                {
                    Console.WriteLine($"left - {leftexpensivesum}");
                }
                else
                {
                    Console.WriteLine($"right - {rightexpensivesum}");
                }
            }
        }
    }
}