#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

string Add(string &s1, string &s2)
{
	string result(max(s1.size(), s2.size()), '0');
	bool carry = false;

	for (int i = 0; i < result.size(); i++)
	{
		int temp = carry;
		carry = false;

		if (i < s1.size())
			temp += s1[s1.size() - i - 1] - '0';
		if (i < s2.size())
			temp += s2[s2.size() - i - 1] - '0';
		if (temp >= 10)
		{
			carry = true;
			temp -= 10;
		}

		result[result.size() - i - 1] = temp + '0';
	}

	if (carry)
		result.insert(result.begin(), '1');
	return result;
}

int main(void)
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	string A, B;
	cin >> A >> B;

	string result = Add(A, B);
	cout << result << "\n";
	return 0;
}