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#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);

    string a, b, result = "";
    cin >> a >> b;

    short int pom = 0, i = 0;

    // dodawanie pisemne
    while (max(a.size(), b.size()) >= i)
    {
        short int sum = pom;

        // dodaje do siebie liczby
        if (a.size() > i)
            sum += int(a[a.size() - 1 - i]) % 48;
        if (b.size() > i)
            sum += (b[b.size() - 1 - i]) % 48;

        pom = sum / 10;

        if (max(a.size(), b.size()) == i)
            if (sum % 10 == 0)
                break;
        result += char(sum % 10 + 48);

        i++;
    }

    // wypisywanie wyniku
    for (int i = result.size() - 1; i >= 0; i--)
    {
        cout << result[i];
    }

    return 0;
}