import java.util.Scanner;

public class Main_7 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int[] a = new int[26];
        String string = sc.nextLine();

        for (int i = 0; i < string.length(); i++) {
            a[string.charAt(i)-'a']++;
        }
        char m = 'a';
        int max = 0;
        for (int i = 0; i < a.length; i++) {
            if (a[i] > max) {
                m = (char) (i + 'a');
                max = a[i];
            }
        }
        System.out.println(m);
        System.out.println(max);
    }
}