void visitAroundDFS(int i,int j, char[][] board)
	{
		board[i][j] = 'A';
		
		if(i>0&&board[i-1][j]=='O')
		{
			visitAroundDFS(i-1, j, board);
		}
		if(i<height-1&&board[i+1][j]=='O')
		{
			visitAroundDFS(i+1,j,board);
		}
		if(j>0 && board[i][j-1]=='O')
		{
			visitAroundDFS(i,j-1,board);
		}
		if(j<width-1 && board[i][j+1]=='O')
		{
			visitAroundDFS(i,j+1,board);
		}
	
	}