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#include <iostream>
#include <vector>

using namespace std;

const int WIDTH = 5; // the width of the game board
const int HEIGHT = 5; // the height of the game board

// the game board, represented as a 2D vector of characters
vector<vector<char>> board = {
    {'#', '#', '#', '#', '#'},
    {'#', '.', '.', '.', '#'},
    {'#', '.', '@', '.', '#'},
    {'#', '.', '.', '.', '#'},
    {'#', '#', '#', '#', '#'}
};

// the current position of the player
int playerX = 2;
int playerY = 2;

// moves the player in the specified direction
void movePlayer(int dx, int dy) {
    // calculate the new position of the player
    int newX = playerX + dx;
    int newY = playerY + dy;

    // check if the new position is valid
    if (newX < 0 || newX >= WIDTH || newY < 0 || newY >= HEIGHT || board[newY][newX] == '#') {
        // if the new position is invalid, do nothing
        return;
    }

    // move the player to the new position
    playerX = newX;
    playerY = newY;

    // redraw the game board
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            if (x == playerX && y == playerY) {
                cout << "@";
            } else {
                cout << board[y][x];
            }
        }
        cout << endl;
    }
}

int main() {
    // print the initial game board
    for (int y = 0; y < HEIGHT; y++) {
        for (int x = 0; x < WIDTH; x++) {
            if (x == playerX && y == playerY) {
                cout << "@";
            } else {
                cout << board[y][x];
            }
        }
        cout << endl;
    }

    // repeatedly get input from the user and move the player
    while (true) {
        char input;
        cin >> input;

        switch (input) {
            case 'w':
                movePlayer(0, -1);
                break;
            case 'a':
                movePlayer(-1, 0);
                break;
            case 's':
                movePlayer(0, 1);
                break;
            case 'd':
                movePlayer(1, 0);
                break;
        }
    }

    return 0;
}