import java.util.*;

class Main {

    public static void main(String[] args) {
        Deque<Integer> sum = new LinkedList<>();
        Scanner sc = new Scanner(System.in);
        String n = sc.nextLine(), m = sc.nextLine();
        Deque<Integer> nList = new LinkedList<>();
        Deque<Integer> mList = new LinkedList<>();
        for (int i = 0; i < n.length(); i++)
            nList.offerFirst(n.charAt(i) - '0');

        for (int i = 0; i < m.length(); i++)
            mList.offerFirst(m.charAt(i) - '0');

        int i = 0, j = 0;
        int s = 0;
        while (nList.size() > 0 || mList.size() > 0) {
            int currN = nList.size() > 0  ? nList.pollFirst() : 0;
            int currM = mList.size() > 0  ? mList.pollFirst() : 0;
            s += currN + currM;
            sum.offerLast(s % 10);
            s /= 10;
        }

        if (s > 0)
            sum.add(s);
        while (sum.size() > 0)
            System.out.printf("%d", sum.pollLast());
    }
}