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#include<bits/stdc++.h>
using namespace std;

string a, b;
vector <int> res;
int N, temp;

int main()
{
    cin.sync_with_stdio(0);
    cout.sync_with_stdio(0);
    cin >> a >> b;
    N = max(a.size(), b.size());
    if(a.size() < b.size()) swap(a, b);
    if(a.size() != b.size())
    {
        reverse(b.begin(), b.end());
        int x = b.size();
        for(int i = 0; i < N - x; ++i)
            b.push_back('0');
        reverse(b.begin(), b.end());
    }
    for(int i = N - 1; i >= 0; --i)
        res.push_back((a[i] - 48) + (b[i] - 48));
    reverse(res.begin(), res.end());
    for(int i = res.size() - 1; i >= 0; --i)
    {
        res[i] += temp;
        if(res[i] > 9)
            temp = res[i] / 10;
        else
            temp = 0;
        res[i] %= 10;
    }
    if(temp != 0)
        cout << temp;
    //cout << a << "\n" << b << "\n";
    for(int i = 0; i < res.size(); ++i)
        cout << res[i];
}