weirdParser

package com.Ch1_ArraysAndStrings;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class WeirdParser {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        String input = reader.readLine();

        int sum = 0;
        String currentNum = "";
        boolean isParsing = false;

        for (int i = 0; i < input.length(); i++) {
            char ch = input.charAt(i);

            if (Character.isAlphabetic(ch)) {
                isParsing = false;
                continue;
            }
            if (ch == '-') {
                isParsing = false;
            }

            if (!isParsing && !currentNum.isEmpty()) {
                sum += Integer.parseInt(currentNum);
                System.out.println(currentNum);
                currentNum = "";
            }
            isParsing = true;
            currentNum += ch;
        }

        if(!currentNum.isEmpty()){
            sum += Integer.parseInt(currentNum);
            System.out.println(currentNum);
        }

        System.out.println("Sum: " + sum);
    }
}