import java.util.Scanner;

public class DivideByTwo
{
    public static void main( String [ ] args )
    {
        Scanner in = new Scanner( System.in );
        int x;

        System.out.println( "Enter an integer: " );
        try
        {
            String oneLine = in.nextLine( );
            x = Integer.parseInt( oneLine );
            System.out.println( "Half of x is " + ( x / 2 ) );
        }
        catch( NumberFormatException e )
          { System.out.println( e ); }
    }
}