class Round
{
	public static void main (String[] args) throws java.lang.Exception
	{
		double x = 1.75;
		long y = Math.round(x);
		System.out.println( y );
		
		x = -1.75;
		y = Math.round(x);
		System.out.println( y );
		
		x = 1.5;
		y = Math.round(x);
		System.out.println( y );
		
		x = -1.5;
		y = Math.round(x);
		System.out.println( y );
	}
}