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

using namespace std;


vector<int> add(vector<int> &A, vector<int> &B)
{
    int t = 0;
    vector<int> C;
    for (int i = 0; i < A.size() || i < B.size(); i++)
    {
        if (i < A.size()) t += A[i];
        if (i < B.size()) t += B[i];
        C.push_back(t % 10);
        t /= 10;
    }
    if (t) C.push_back(t);
    return C;
}


int main()
{
    string a, b;
    cin >> a >> b;
    vector<int> A, B;
    
    for (int i = a.size() - 1; i >= 0; i--) A.push_back(a[i] - '0');
    for (int i = b.size() - 1; i >= 0; i--) B.push_back(b[i] - '0');

    auto C = add(A, B);

    for (int i = C.size() - 1; i >= 0; i--) printf("%d", C[i]);


    return 0;
}