SumOfAllValues

import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class sumOfAllValues {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String keyPattern = "^([A-Za-z_]+)(?=[0-9])[0-9]+.*(?<=[0-9])([A-Za-z_]+)";
        String keyInput = input.nextLine();
        String textInput = input.nextLine();
        double sum = 0.0;
        Pattern keyRegEx = Pattern.compile(keyPattern);
        Matcher keyMatcher = keyRegEx.matcher(keyInput);

        if (keyMatcher.find()) {
            String startKey = keyMatcher.group(1);
            String endKey = keyMatcher.group(2);

            String numberPattern = "^([0-9]+\\.?[0-9]*)$";
            Pattern numberRegEx = Pattern.compile(numberPattern);
            while (true) {
                int index1 = textInput.indexOf(startKey);
                int index2 = textInput.indexOf(endKey,index1+startKey.length());

                if(index1 == -1 || index2 == -1){
                    break;
                }
                String num = textInput.substring(index1 + startKey.length(), index2);
                Matcher numberMatcher = numberRegEx.matcher(num);

                if (numberMatcher.find()) {
                    sum += Double.parseDouble(numberMatcher.group());
                }
                String replaceString = textInput.substring(index1, index2 + endKey.length());
                textInput = textInput.replace(replaceString, "");

            }
        } else {
            System.out.println("<p>A key is missing</p>");
            return;
        }

        if (sum == 0.0) {
            System.out.println("<p>The total value is: <em>nothing</em></p>");
        }
        else{
            System.out.printf("<p>The total value is: <em>%.2f</em></p>",sum);
        }
    }
}