lB3as

public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Input a number: ");
        int n = in.nextInt();



        String s = "" + n;
        char[] ch = s.toCharArray();

        int indexOfMax = 0;

        for (int i = 1; i < ch.length; i++)
        {
            if (ch[i] > ch[indexOfMax])
            {
                indexOfMax = i;

            }
        }
        System.out.println(indexOfMax + " " );