import java.util.*;

public class _3_WeirdStrings {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String inputLine = input.nextLine();
        String noSym = inputLine.replaceAll("[\\/()| ]+","");
        String[] words = noSym.split("[^a-zA-Z]+");
        int[] sums = new int[words.length];

        for (int index = 0; index < words.length; index++) {
            for (char letter: words[index].toLowerCase().toCharArray()) {
                switch (letter) {
                case 'a': sums[index] += 1; break;
                case 'b': sums[index] += 2; break;
                case 'c': sums[index] += 3; break;
                case 'd': sums[index] += 4; break;
                case 'e': sums[index] += 5; break;
                case 'f': sums[index] += 6; break;
                case 'g': sums[index] += 7; break;
                case 'h': sums[index] += 8; break;
                case 'i': sums[index] += 9; break;
                case 'j': sums[index] += 10; break;
                case 'k': sums[index] += 11; break;
                case 'l': sums[index] += 12; break;
                case 'm': sums[index] += 13; break;
                case 'n': sums[index] += 14; break;
                case 'o': sums[index] += 15; break;
                case 'p': sums[index] += 16; break;
                case 'q': sums[index] += 17; break;
                case 'r': sums[index] += 18; break;
                case 's': sums[index] += 19; break;
                case 't': sums[index] += 20; break;
                case 'u': sums[index] += 21; break;
                case 'v': sums[index] += 22; break;
                case 'w': sums[index] += 23; break;
                case 'x': sums[index] += 24; break;
                case 'y': sums[index] += 25; break;
                case 'z': sums[index] += 26; break;
                default:
                    break;
                }
            }
        }

        String print = "";
        int maxSum = 0;

        for (int index = 0; index < sums.length-1; index++) {
            int sum = sums[index] + sums[index+1];
            String word1 = words[index];
            String word2 = words[index+1];
            if (sum>maxSum) {
                maxSum = sum;
                print = word1 + "\n" + word2;
            }
        }

        System.out.println(print);
    }
}