#include <iostream>
#include <vector>

using namespace std;

vector<int> add(vector<int> A, vector<int> B)
{
    vector<int> C;
    int t;
    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(1);
    return C;
}
int main()
{
    string a, b;
    vector<int> A, B;

    cin >> 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');

    vector<int>  C = add(A, B);

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