#include <bits/stdc++.h>
using namespace std;

#ifdef _RUTHEN
#include <debug.hpp>
#else
#define show(...) true
#endif

using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); i++)
template <class T> using V = vector<T>;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    string A, B;
    cin >> A >> B;
    reverse(A.begin(), A.end());
    reverse(B.begin(), B.end());
    int s = 0, i = 0;
    string C;
    while (i < A.size() or i < B.size()) {
        if (i < A.size()) s += A[i] - '0';
        if (i < B.size()) s += B[i] - '0';
        C += '0' + s % 10;
        s /= 10;
        i++;
    }
    while (s) {
        C += '0' + s % 10;
        s %= 10;
    }
    reverse(C.begin(), C.end());
    cout << C << '\n';
    return 0;
}