private static int sumUpNumbers(String inputString) {

int count = 0;

Pattern p = Pattern.compile("-?\\d+");

Matcher m = p.matcher(inputString);

while (m.find()) {

count+=Integer.parseInt(m.group());

System.out.println(m.group());

}

//variant #2

// String[] splittingTheNumbers=inputString.split("\\D+");

// int count=0;

// for (String num:splittingTheNumbers){

// if (num.length()>0) count+=Integer.parseInt(num);

// }

// return count;

//variant #3

// int count=0;

// Matcher m = Pattern.compile("\\d+").matcher(inputString);

// while (m.find()) {

// count+=Integer.parseInt(m.group());

// }

// return count;

System.out.println(count);

return count;

}