using System;
using System.Linq;

class ChessPiece
{
    public string Type { get; set; }
    public string Color { get; set; }
    public int[] Position { get; set; }

    public ChessPiece(string type, string color, int[] position)
    {
        Type = type;
        Color = color;
        Position = position;
    }
}

class ChessBoard
{
    public ChessPiece[,] Board { get; set; }

    public ChessBoard()
    {
        Board = new ChessPiece[8, 8];
    }

    public void Initialize()
    {
        // Initialize white pieces
        Board[0, 0] = new ChessPiece("Rook", "White", new int[] { 0, 0 });
        Board[0, 1] = new ChessPiece("Knight", "White", new int[] { 0, 1 });
        Board[0, 2] = new ChessPiece("Bishop", "White", new int[] { 0, 2 });
        Board[0, 3] = new ChessPiece("Queen", "White", new int[] { 0, 3 });
        Board[0, 4] = new ChessPiece("King", "White", new int[] { 0, 4 });
        Board[0, 5] = new ChessPiece("Bishop", "White", new int[] { 0, 5 });
        Board[0, 6] = new ChessPiece("Knight", "White", new int[] { 0, 6 });
        Board[0, 7] = new ChessPiece("Rook", "White", new int[] { 0, 7 });
        for (int i = 0; i < 8; i++)
        {
            Board[1, i] = new ChessPiece("Pawn", "White", new int[] { 1, i });
        }

        // Initialize black pieces
        Board[7, 0] = new ChessPiece("Rook", "Black", new int[] { 7, 0 });
        Board[7, 1] = new ChessPiece("Knight", "Black", new int[] { 7, 1 });
        Board[7, 2] = new ChessPiece("Bishop", "Black", new int[] { 7, 2 });
        Board[7, 3] = new ChessPiece("Queen", "Black", new int[] { 7, 3 });
        Board[7, 4] = new ChessPiece("King", "Black", new int[] { 7, 4 });
        Board[7, 5] = new ChessPiece("Bishop", "Black", new int[] { 7, 5 });
        Board[7, 6] = new ChessPiece("Knight", "Black", new int[] { 7, 6 });
        Board[7, 7] = new ChessPiece("Rook", "Black", new int[] { 7, 7 });
        for (int i = 0; i < 8; i++)
        {
            Board[6, i] = new ChessPiece("Pawn", "Black", new int[] { 6, i });
        }
    }

    public void PrintBoard()
    {
        for (int i = 0; i < 8; i++)
        {
            for (int j = 0; j < 8; j++)
            {
                if (Board[i, j] == null)
                {
                    Console.Write("[ ]");
                }
                else
                {
                    Console.Write("[" + Board[i, j].Type[0] + "]");
                }
            }
            Console.WriteLine();
        }
    }

    public bool MovePiece(int[] currentPos, int[] newPos)
    {
        // Check if the current position has a piece
        if (Board[currentPos[0], currentPos[1]] == null)
        {
            Console.WriteLine("No piece at current position.");
            return false;
        }
        // Check if the new position is within the board
        if (newPos[0] < 0 || newPos[0] > 7 || newPos[1] < 0 || newPos[1] > 7)
        {
            Console.WriteLine("Invalid move.");
            return false;
        }
        // Check if the new position has a piece of the same color
        if (Board[newPos[0], newPos[1]] != null && Board[currentPos[0], currentPos[1]].Color == Board[newPos[0], newPos[1]].Color)
        {
            Console.WriteLine("Cannot move to a square occupied by a piece of the same color.");
            return false;
        }
        // Move the piece
        Board[newPos[0], newPos[1]] = Board[currentPos[0], currentPos[1]];
        Board[currentPos[0], currentPos[1]] = null;
        return true;
    }
}

class ChessGame
{
    static void Main()
    {
        ChessBoard chessBoard = new ChessBoard();
        chessBoard.Initialize();
        chessBoard.PrintBoard();
        while (true)
        {
            Console.WriteLine("Enter current position (row column):");
            int[] currentPos = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);
            Console.WriteLine("Enter new position (row column):");
            int[] newPos = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);
            if (chessBoard.MovePiece(currentPos, newPos))
            {
                chessBoard.PrintBoard();
            }
        }
    }
}