using System;

namespace ALDS1_2_C
{
    public enum SortMethod
    {
        Bubble,
        Selection
    }
    public static class Algorithm
    {
        public static void Sort<T>(this T[] array, SortMethod method) where T : IComparable<T>
        {
            switch (method)
            {
                case SortMethod.Bubble: BubbleSort(array); break;
                case SortMethod.Selection: SelectionSort(array); break;
            }
        }

        private static void BubbleSort<T>(T[] array) where T : IComparable<T>
        {
            var n = array.Length;
            for (int i = 0; i < n; i++)
            {
                for (int j = n - 1; j > i; j--)
                {
                    if (array[j-1].CompareTo(array[j]) > 0)
                    {
                        var temp = array[j];
                        array[j] = array[j-1];
                        array[j-1] = temp;
                    }
                }
            }
        }
        private static void SelectionSort<T>(T[] array) where T : IComparable<T>
        {
            var n = array.Length;
            for (int i = 0; i < n - 1; i++)
            {
                int min = i;
                for (int j = i + 1; j < n; j++) if (array[min].CompareTo(array[j]) > 0) min = j;
                if (min != i)
                {
                    var temp = array[i];
                    array[i] = array[min];
                    array[min] = temp;
                }
            }
        }
    }

    class Program
    {
        struct Card : IComparable<Card>, IEquatable<Card>
        {
            public char kind;
            public int value;

            public int CompareTo(Card obj)
            {
                return value.CompareTo(obj.value);
            }

            public static Card Parse(string str)
            {
                return new Card() { kind = str[0], value = int.Parse(str.Substring(1, 1)) };
            }

            public override string ToString()
            {
                return kind.ToString() + value.ToString();
            }

            public bool Equals(Card other)
            {
                return kind == other.kind && value == other.value;
            }
        }
        static void Main(string[] args)
        {
            var n = int.Parse(Console.ReadLine());
            var cards = Array.ConvertAll(Console.ReadLine().Split(' '), Card.Parse);
            var bubble = cards.Clone() as Card[];
            var selection = cards.Clone() as Card[];
            Algorithm.Sort(bubble, SortMethod.Bubble);
            Algorithm.Sort(selection, SortMethod.Selection);

            for (int i = 0; i < n - 1; i++) Console.Write(bubble[i].ToString() + " ");
            Console.WriteLine(bubble[n - 1]);
            Console.WriteLine("Stable");

            var stable = true;
            for (int i = 0; i < n - 1; i++)
            {
                if (!selection[i].Equals(bubble[i])) stable = false;
                Console.Write(selection[i].ToString() + " ");
            }
            Console.WriteLine(selection[n - 1]);
            Console.WriteLine(stable ? "Stable" : "Not stable");
        }
    }
}

Measured memory_bytes: 9484