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#include <iostream>
#include <string>

int main()
{
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(NULL);

    std::string a, b;

    std::cin >> a;
    std::cin >> b;

    if(a.size() < b.size())
        std::swap(a, b);
    
    for (int i = b.size() - 1, j = a.size() - 1; i >= 0; i--, j--)
        a[j] += b[i] - '0';

    for (int i = a.size() - 1; i > 0; i--)
    {
        if(a[i] > '9')
        {
            int d = a[i] - '0';
            a[i - 1] += d / 10;
            a[i] = d % 10 + '0';
        }
    }
    if (a[0] > '9')
    {
        char d = (a[0] - '0') / 10 + '0';
        a[0] = (a[0] - '0') % 10 + '0';
        std::cout << d << a;
    }
    else std::cout << a;

    return 0;
}