class Main { public static void main(String[] args) { System.out.println("Hello World!"); System.out.println((3/2)<=1); System.out.println(4*5/3); System.out.println(1+2+"4"); System.out.println(1.0/2); System.out.println("1"+2+4); System.out.println(true && (4<3)); System.out.println((!true) || false); System.out.println(15%4+1.0); System.out.println((double)2*(1/2)+1); System.out.println(3+2*Math.sqrt(4)); System.out.println(2/0); } }