import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StreamTokenizer;
import java.util.ArrayList;
import java.util.Scanner;

/**
 * @author iceewei
 * @Description: 大整数算法 acwing-ycx
 * @date 2025/1/17
 */
public class BigInteger {

    public static void main(String[] args) throws IOException {
        String[] s = doInput3();
        ArrayList<Integer> A = new ArrayList<>();
        ArrayList<Integer> B = new ArrayList<>();
        for (int i = s[0].length() - 1; i >= 0 ; i--) A.add(s[0].charAt(i) - '0');
        for (int i = s[1].length() - 1; i >= 0 ; i--) B.add(s[1].charAt(i) - '0');
        ArrayList<Integer> C = add(A, B);
        for (int i = C.size() - 1; i >= 0; i--) System.out.print(C.get(i));
    }

    // 关键是将问题转化为三个数相加，Ai+Bi+t
    private static ArrayList<Integer> add(ArrayList<Integer> A, ArrayList<Integer> B) {

        ArrayList<Integer> C = new ArrayList<>();
        int t = 0;
        for (int i = 0, j = 0; i < A.size() || j < B.size(); i++, j++) {
            if (i < A.size()) t += A.get(i);
            if (i < B.size()) t += B.get(j);
            C.add(t % 10);
            t /= 10;
        }
        if (t > 0) C.add(t);
        return C;
    }

    private static String[] doInput() throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StreamTokenizer st = new StreamTokenizer(br);
        st.ordinaryChars(0, 255);
        st.wordChars(33, 255);
        String[] s = new String[2];
        int counter = 0;
        while (st.nextToken()!= StreamTokenizer.TT_EOF) {
            if (st.ttype == StreamTokenizer.TT_WORD) {
                s[counter++] = st.sval;
            }
        }
        return s;
    }

    private static String[] doInput2() throws IOException {
        Scanner scanner = new Scanner(System.in);
        // 读取多个字符串，以换行符分隔
        String[] s = new String[2];
        int counter = 0;
        while (scanner.hasNextLine()) s[counter++] = scanner.nextLine();
        scanner.close();
        return s;
    }

    private static String[] doInput3() throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] s = new String[2];
        int counter = 0;
        String ss;
        while ((ss = br.readLine()) != null) {
            s[counter++] = ss;
        }
        return s;
    }
}