private byte checkPositionChar(char[][]map , TermS currentPoint)
	{
		int positionI =currentPoint.getPositionI();
		int positionJ =currentPoint.getPositionJ();
		char element = map[positionI][positionJ];
		byte answer=-1;
		try
		{
			Integer.parseInt(""+element);
			answer=0;
		}
		catch(Exception e )
		{
			switch (element)
			{
			case 'B' :answer=1 ; 
			case 'V' :answer=1 ; 
			}
		}
		return answer;
	}