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

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            List<string> numbers = Console.ReadLine().Split(' ').ToList();
            List<string> command = new List<string>();
            command.Add("");
            while (command[0] != "print")
            {
                command = Console.ReadLine().Split(' ').ToList();
                if (command[0] == "add")
                {
                    numbers.Insert(Convert.ToInt32(command[1]), command[2]);
                }
                else if (command[0] == "addMany")
                {
                    int index = Convert.ToInt32(command[1]);
                    command.Remove(command[0]);
                    command.Remove(command[0]);
                    numbers.InsertRange(index, command);
                }
                else if (command[0] == "contains")
                {
                    if (numbers.Contains(command[1]))
                    {
                        for (int i = 0; i < numbers.Count; i++)
                        {
                            if (numbers[i] == command[1])
                            {
                                Console.WriteLine(i);
                                break;
                            }
                        }
                    }
                    else
                    {
                        Console.WriteLine(-1);
                    }
                }
                else if (command[0] == "remove")
                {
                    numbers.Remove(numbers[Convert.ToInt32(command[1])]);
                }
                else if (command[0] == "shift")       // 0 1 2 3 4 5 6 7 8
                {
                    for (int y = 1; y <= Convert.ToInt32(command[1]); y++)
                    {
                        string numberToAddAtTheEnd = numbers[0];
                        numbers.Add(numberToAddAtTheEnd);
                        numbers.Remove(numbers[0]);
                    }
                }
                else if (command[0] == "sumPairs")
                {
                    if (numbers.Count % 2 != 0)
                    {
                        numbers.Add("0");
                    }
                    for (int j = numbers.Count - 1; j >= 1; j-=2)
                    {
                        numbers[j] = Convert.ToString(Convert.ToInt32(numbers[j]) + Convert.ToInt32(numbers[j - 1]));
                        numbers.Remove(numbers[j - 1]);
                    }
                }
            }
            Console.WriteLine("[{0}]", string.Join(", ", numbers));
        }
    }
}