public class hello {
	public static void main(String[] s) {
		if (s.length>0) 
		{
		System.out.println ("Hello world");
		System.out.println ("Hello world1");
		System.out.println ("Hello world2");
		}
		else
		{
		System.out.println ("Hello world");
		System.out.println ("Hello world1");
		System.out.println ("Hello world2");
		}

		int i=3;
		i=i
		+2;

		i=i+3;

		i=i+
		4;


		i++;

		System.out.println(""+i);
		i++;i++;i++;i++;i++;
		System.out.println(""+i);
		i
		++;
		i
		++;


		Object o[]=new Object[20];

	}
}