#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;

vector<int> strToVec(string x) {
    vector<int> A;
    for (int i = 0; i < x.size(); i ++) A.push_back(x[i] - '0');
    reverse(A.begin(), A.end());
    return A;
}

vector<int> add(vector<int> A, vector<int> B) {
    vector<int> C;
    int t = 0;
    if (A.size() < B.size()) {
        vector<int> T = A;
        A = B;
        B = T;
    }

    for (int i = 0; i < A.size(); i ++) {
        if (i < B.size()) {
            C.push_back((A[i] + B[i] + t) % 10);
            t = (A[i] + B[i] + t) / 10;
        } else {
            C.push_back((A[i] + t) % 10);
            t = (A[i] + t) / 10;
        }
        if (i == A.size() - 1 && t >= 1) {
            C.push_back(t);
        }
    }
    reverse(C.begin(), C.end());
    return C;
}

int main() {
    string a, b;
    cin >> a >> b;
    vector<int> A = strToVec(a);
    // for (int i = 0; i < A.size(); i ++) cout << A[i];
    // cout << '\n';
    vector<int> B = strToVec(b);
    // for (int i = 0; i < B.size(); i ++) cout << B[i];
    // cout << '\n';
    vector<int> C = add(A, B);
    for (int i = 0; i < C.size(); i ++) cout << C[i];
    cout << '\n';
    return 0;
}