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

namespace Exr
{
    class Program
    {


        static void Main(string[] args)
        {
            int[] nums = Console.ReadLine().Split(" ", StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToArray();

            while (true)
            {
                string input = Console.ReadLine();

                if(input == "end")
                {
                    PrintResult(nums);
                    break;
                }

                ExecuteCommand(input, nums);
            }
        }

        private static void ExecuteCommand(string input, int[] nums)
        {
            string[] tokens = input.Split(" ", StringSplitOptions.RemoveEmptyEntries);

            switch (tokens[0])
            {
                case "exchange":
                    int index = int.Parse(tokens[1]);
                    if(index < 0 || index >= nums.Length)
                    {
                        Console.WriteLine("Invalid index");
                    }
                    else
                    {
                        ExchangeArray(index, nums);
                    }
                    break;
                case "max":
                    int maxResult = GetMaxElement(tokens[1], nums);
                    if(maxResult == -1)
                    {
                        Console.WriteLine("No matches");
                    }
                    else
                    {
                        Console.WriteLine(maxResult);
                    }
                    break;
                case "min":
                    int minResult = GetMinElement(tokens[1], nums);
                    if (minResult == -1)
                    {
                        Console.WriteLine("No matches");
                    }
                    else
                    {
                        Console.WriteLine(minResult);
                    }
                    break;
                case "first":

                    if(CheckCount(int.Parse(tokens[1]), nums))
                    {
                        Console.WriteLine("Invalid count");
                    }
                    else
                    {
                        int[] sequence = GetFirstElements(int.Parse(tokens[1]), tokens[2], nums);
                        PrintResult(sequence);
                    }

                    break;
                case "last":
                    if (CheckCount(int.Parse(tokens[1]), nums))
                    {
                        Console.WriteLine("Invalid count");
                    }
                    else
                    {
                        int[] sequence = GetLastElements(int.Parse(tokens[1]), tokens[2], nums);
                        PrintResult(sequence);
                    }
                    break;
            }
        }

        private static void PrintResult(int[] sequnce)
        {
            Console.Write("[");
            Console.Write(string.Join(", ", sequnce));
            Console.Write("]");
            Console.WriteLine();
        }

        private static int[] GetLastElements(int count, string typeOfNums, int[] nums)
        {
            int[] elements;
            if (typeOfNums == "even")
            {
                elements = nums.Where(x => x % 2 == 0).ToArray();
            }
            else
            {
                elements = nums.Where(x => x % 2 != 0).ToArray();
            }

            if (elements.Length < count)
            {
                count = elements.Length;
            }

            return elements.TakeLast(count).ToArray();
        }

        private static bool CheckCount(int count, int[] nums)
        {
            if(nums.Length < count)
            {
                return true;
            }
            else
            {
                return false;
            }
        }

        private static int[] GetFirstElements(int count, string typeOfNums, int[] nums)
        {
            int[] elements;
            if (typeOfNums == "even")
            {
                elements = nums.Where(x => x % 2 == 0).ToArray();
            }
            else
            {
                elements = nums.Where(x => x % 2 != 0).ToArray();
            }

            if(elements.Length < count)
            {
                count = elements.Length;
            }

            return elements.Take(count).ToArray();
        }

        private static int GetMinElement(string typeOfNums, int[] nums)
        {
            int[] elements;
            if (typeOfNums == "even")
            {
                elements = nums.Where(x => x % 2 == 0).ToArray();
            }
            else
            {
                elements = nums.Where(x => x % 2 != 0).ToArray();
            }

            if (elements.Length == 0)
            {
                return -1;
            }
            else
            {
                int min = int.MaxValue;
                for (int i = elements.Length - 1; i >= 0; i--)
                {
                    if (min > elements[i])
                    {
                        min = elements[i];
                    }
                }

                return Array.LastIndexOf(nums, min);
            }
        }

        private static int GetMaxElement(string typeOfNums, int[] nums)
        {
            int[] elements;
            if(typeOfNums == "even")
            {
                elements = nums.Where(x => x % 2 == 0).ToArray();
            }
            else
            {
                elements = nums.Where(x => x % 2 != 0).ToArray();
            }

            if(elements.Length == 0)
            {
                return -1;
            }
            else
            {
                int max = int.MinValue;
                for (int i = elements.Length - 1; i >= 0; i--)
                {
                    if(max < elements[i])
                    {
                        max = elements[i];
                    }
                }

                return Array.LastIndexOf(nums, max);
            }
        }

        private static void ExchangeArray(int index, int[] nums)
        {
            int[] tempArr = new int[nums.Length];
            int counter = 0;
            for (int i = index +1; i <  nums.Length; i++)
            {
                tempArr[counter++] = nums[i];
            }

            for (int i = 0; i <= index; i++)
            {
                tempArr[counter++] = nums[i];
            }

            for (int i = 0; i < tempArr.Length; i++)
            {
                nums[i] = tempArr[i];
            }
        }
    }


}