What does the following loop do?int[] a = {6, 1, 9, 5, 12, 3};int len = a.length;int x = 0;for (int i = 0; i < len; i++)if (a[i] % 2 == 0) x++;System.out.println(x);1. Sums the even elements in a.2. Finds the largest value in a.3. Counts the even elements in a.4. Finds the smallest value in a.