import java.text.ParseException;
import java.util.Scanner;


public class WeirdStrings {

	public static void main(String[] args) throws ParseException{
		Scanner sc = new Scanner(System.in);

		//String
		String stringSplit = sc.nextLine();

		//"\", "/", "(", ")", "|"

		stringSplit = stringSplit.replaceAll("[\\\\\\/\\(\\)\\|\\s]+", "");
		//System.out.println(stringSplit);

		String[] stringArray = stringSplit.split("[^a-zA-Z]+");


		int sumOfTwoConsecutive = 0;
		int maxSumOfTwoConsecutive = 0;
		String firstString = "";
		String secondString = "";
		String firstStringAsParameter = "";
		String secondStringAsParameter = "";


		for (int i = 0; i < stringArray.length - 1; i++) {

			firstStringAsParameter = stringArray[i].toLowerCase();
			secondStringAsParameter = stringArray[i + 1].toLowerCase();

			sumOfTwoConsecutive = getWeightOfString(firstStringAsParameter + secondStringAsParameter);

			if (maxSumOfTwoConsecutive < sumOfTwoConsecutive) {
				maxSumOfTwoConsecutive = sumOfTwoConsecutive;
				firstString = stringArray[i];
				secondString = stringArray[i + 1];
			}
		}

		System.out.println(firstString);
		System.out.println(secondString);

	}

	public static int getWeightOfChar(char theChar){

		int asciiResult = (int)theChar;
		return asciiResult - 96;
	}

	public static int getWeightOfString(String theString){

		int sumResult = 0;

		for (int i = 0; i < theString.length(); i++) {
			sumResult = sumResult + getWeightOfChar(theString.charAt(i));
		}

		return sumResult;
	}

}