#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "algo/debug.hpp"
#else
#define debug(...) ((void)0)
#endif

int main() {
  constexpr char endl = '\n';
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  string a, b;
  cin >> a >> b;
  vector<int> A, B;
  for (int i = (int)a.size(); i--;)
    A.push_back(a[i] - '0');
  for (int i = (int)b.size(); i--;)
    B.push_back(b[i] - '0');
  int N = max(A.size(), B.size());
  while ((int)A.size() < N)
    A.push_back(0);
  while ((int)B.size() < N)
    B.push_back(0);
  int r = 0;
  vector<int> ans;
  int i = 0;
  while (i < N || r > 0) {
    int t = (i < N ? A[i] : 0), s = (i < N ? B[i] : 0);
    if (t + s + r >= 10) {
      ans.push_back((t + s + r) % 10);
      r = (t + s + r) / 10;
    } else {
      ans.push_back(t + s + r);
      r = 0;
    }
    i += 1;
  }
  string ret = "";
  while ((int)ans.size() > 0) {
    ret += to_string(ans.back());
    ans.pop_back();
  }
  cout << ret << endl;
  return 0;
}