What is the output of the third 'printin' statement in the main method? public class A { int i; static int s; public static void main(String[] args) { A a1 = new A(); System.out.println("A1.I is " + a1.i+"A1.s is " + a1.s); A a2 = a1; System.out.println("A2.i is " + a2.i + " A2.s is " + a2.s): A a3 = new AO; System.out.println("A3.i is " + a3.i + " A3.s is " + a3.s); } public A() { S++; } } A3.i is 2 A3.s is 3 O A3.iis 1 A3.s is 3 A3.i is 2 A3.s is 2 A3.i is 1 A3.s is 2