new

using System;
using System.Linq;
using System.Collections.Generic;

namespace _01._Bombs
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            char[,] matrix = new char[n, n];

            int snakeRow = -1;
            int snakeCol = -1;
            int snakeEatCount = 0;
            int firstBombRow = -1;
            int firstBombCol = -1;
            int secondBombRow = -1;
            int secondBombCol = -1;


            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                var data = Console.ReadLine();
                var command = data.ToCharArray();
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    matrix[row, col] = command[col];
                    if (matrix[row, col] == 'S')
                    {
                        snakeRow = row;
                        snakeCol = col;
                    }
                    else if (matrix[row, col] == 'B')
                    {
                        if (firstBombRow == -1 && firstBombCol == -1)
                        {
                            firstBombRow = row;
                            firstBombCol = col;
                        }
                        else
                        {
                            secondBombRow = row;
                            secondBombCol = col;
                        }
                    }
                }
            }

            matrix[snakeRow, snakeCol] = '.';

            while (true)
            {
                int snakeOldRow = snakeRow;
                int snakeOldCol = snakeCol;

                if (snakeEatCount == 10)                      //down=(++col, wol), up=(--row, col), right=(++col, row), left=(--col, row);
                {
                    Console.WriteLine("You won! You fed the snake.");
                    Console.WriteLine($"Food eaten: {snakeEatCount}");
                    matrix[snakeRow, snakeCol] = 'S';

                    Print(matrix);

                    break;
                }
                string cmd = Console.ReadLine();
                if (cmd == "up")
                {
                    snakeRow--;
                }
                else if (cmd == "down")
                {
                    snakeRow++;
                }
                else if (cmd == "right")
                {
                    snakeCol++;
                }
                else if (cmd == "left")
                {
                    snakeCol--;
                }
                if (!IsValidCell(snakeRow, snakeCol, n)) //is not ready
                {
                    Console.WriteLine("Game over!");
                    Console.WriteLine($"Food eaten: {snakeEatCount}");

                    Print(matrix);
                    break;
                }

                 if (matrix[snakeRow, snakeCol] == '*')
                {
                    snakeEatCount++;
                }
                 if(matrix[snakeRow, snakeCol] == 'B')
                {
                    matrix[snakeRow, snakeCol] = '.';
                    if(snakeRow == firstBombRow && snakeCol == firstBombCol)
                    {
                        snakeRow = secondBombRow;
                        snakeCol = secondBombCol;
                    }
                    else
                    {
                        snakeRow = firstBombRow;
                        snakeCol = firstBombCol;
                    }
                    matrix[snakeRow, snakeCol] = 'S';
                }
                matrix[snakeRow, snakeCol] = '.';




            }

        }

        private static void Print(char[,] matrix)
        {
            for (int row = 0; row < matrix.GetLength(0); row++)
            {
                for (int col = 0; col < matrix.GetLength(1); col++)
                {
                    Console.Write(matrix[row, col]);
                }
                Console.WriteLine();
            }
        }

        private static bool IsValidCell(int snakeRow, int snakeCol, int n)
        {
            return snakeCol >= 0 && snakeCol < n && snakeRow >= 0 && snakeRow < n;
        }
    }
}