2. Zad v2

import java.util.*;

public class ArraySplit {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in).useDelimiter("\\D");

        List<Integer> numbers = new ArrayList<Integer>();

        long total = 0;
        int num;
        while (sc.hasNextInt() && sc.hasNext()) {
            num = sc.nextInt();
            numbers.add(num);
            total +=num;
        }

        if (total % 2 == 0) {
            total /= 2;

            int sum = 0;
            int sum2 = 0;

            Collections.sort(numbers);
            //Collections.reverse(numbers);

            for (int i = numbers.size()-1; i >=0; i--) {
                if (sum + numbers.get(i) <= total) {
                    sum += numbers.get(i);
                } else {
                    sum2 += numbers.get(i);
                }
            }
            System.out.println(sum==sum2);

        } else {
            System.out.println(false);
        }
    }
}