What is the output of the third 'println' 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 = new A(); System.out.println("A2.i is " + a2.i+ " A2.s is " + a2.s); A a3 = new A(); System.out.println("A3.I is " + a3.1 + " A3.s is " + a3.s); } public A() { s++; } } O A3.i is 1 A3.s is 2 O A3.i is 2 A3.s is 3 O A3.i is 1 A3.s is 3 A3.i is 2 A3.s is 2