import java.util.Scanner;

/**
 * Created by nadia on 06.06.16.
 */
public class SumBigNumbers {
    private static String padNumber(String num, int maxlen) {
        if (num.length() >= maxlen) {
            return num;
        }
        StringBuilder ss = new StringBuilder();
        while (ss.length() < maxlen - num.length()) {
            ss.append('0');
        }
        ss.append(num);
        return ss.toString();
    }

    private static int atoi(char c) {
        return c - '0';
    }

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String  first = sc.nextLine();
        String  second = sc.nextLine();
        int maxlen = Math.max(first.length(), second.length());
        first = padNumber(first, maxlen);
        second = padNumber(second, maxlen);

        StringBuilder sb = new StringBuilder();

        int carry = 0;
        for (int i = maxlen - 1; i >= 0; --i) {
            int r = carry + atoi(first.charAt(i)) + atoi(second.charAt(i));
            carry = r / 10;
            r = r % 10;
            sb.insert(0, r);
        }
        if (carry > 0) {
            sb.insert(0, carry);
        }
        System.out.println(sb.toString());
    }
}