static void Main(string[] args)
{
string inputFen = Console.ReadLine();
string step = Console.ReadLine();
Fen fen = new Fen(inputFen);
Board board = new Board(fen);
Console.WriteLine(board.FenChanged(step));
Console.ReadLine();
}
public Board(Fen fen)
{
_fen = fen;
}