#include <bits/stdc++.h>
using namespace std;
int main(){
  string A;
  cin >> A;
  string B;
  cin >> B;  
  int N = A.size();
  int M = B.size();
  reverse(A.begin(), A.end());
  reverse(B.begin(), B.end());
  int D = max(N, M) + 1;
  vector<int> C(D, 0);
  for (int i = 0; i < N; i++){
    C[i] += A[i] - '0';
  }
  for (int i = 0; i < M; i++){
    C[i] += B[i] - '0';
  }
  for (int i = 0; i < D - 1; i++){
    C[i + 1] += C[i] / 10;
    C[i] %= 10;
  }
  if (C[D - 1] == 0){
    C.pop_back();
    D--;
  }
  for (int i = D - 1; i >= 0; i--){
    cout << C[i];
  }
  cout << endl;
}