#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--)
#define rep2(i, a, b) for (int i = (int)a; i < (int)(b); i++)
#define rrep2(i, a, b) for (int i = (int)(b)-1; i >= (int)(a); i--)

int main(){
    cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    string A, B;
    cin >> A >> B;
    reverse(A.begin(), A.end());
    reverse(B.begin(), B.end());
    string answer;
    int len_A = A.length(), len_B = B.length();
    int len = max(len_A, len_B);
    bool up = false;
    rep(i, len){
        int digit = (i < len_A ? A[i] - '0' : 0) + (i < len_B ? B[i] - '0' : 0) + (int)up;
        if(digit >= 10){
            up = true;
            digit -= 10;
        }else up = false;
        answer.push_back('0' + digit);
    }
    if(up) answer.push_back('1');
    reverse(answer.begin(), answer.end());
    cout << answer << '\n';
    return 0;
}