public class SumLongHex {
    public static void main(String[] args) {
        long result = 0;

        for (int h = 0; h < args.length; h++) {
            String curString = args[h];
            String newString = "";
            boolean saw_0x = false;

            for (int i = 0; i < curString.length(); i++) {
                if(i < curString.length() - 1 && curString.charAt(i) == '0' && (curString.charAt(i + 1) == 'x' || curString.charAt(i + 1) == 'X')) {
                    saw_0x = true;
                    i++;
                    continue;
                }
                while(i < curString.length() && !Character.isWhitespace(curString.charAt(i))) {
                    newString += curString.charAt(i);
                    i++;
                }
                try {
                    if(saw_0x == true) {
                        result += Long.parseUnsignedLong(newString, 16);
                    } else {
                        result += Long.valueOf(newString);
                    }
                } catch (NumberFormatException ex) {}
                newString = "";
                saw_0x = false;
            }
        }

        System.out.println(result);
    }
}