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#include <bits/stdc++.h>

int main()
{
	std::ios_base::sync_with_stdio(0);
	
	std::string a, b;
	std::cin >> a >> b;

	if(b.size() > a.size()) std::swap(a,b);

	auto ai = a.rbegin();
	auto bi = b.rbegin();

	int carry = 0;

	while(ai != a.rend())
	{
		auto ax = *ai - '0';
		auto bx = 0;
		if(bi != b.rend())
		{
			bx = *bi - '0';
		}
		auto sum = carry + ax + bx;
		carry =  sum >= 10 ? 1 : 0;
		*ai = sum % 10 + '0';
		ai++;
		if(bi != b.rend())
		{
			bi++;
		}
	}

	if(carry)
	{
		std::cout << "1";
	}

	std::cout << a << "\n";

	return 0;
}