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#include <cstdio>
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>


using namespace std;


class Number
{
	string  m_s;
	size_t  m_iLen;

public:
	Number(const string& s) : m_s(s), m_iLen(s.size()) {}

	int GetDigit(int iPos)
	{
		int i = m_iLen - iPos - 1;

		if (i < 0)
		{
			return 0;
		}

		return m_s[i] - '0';
	}
};


int main()
{
	string s0, s1;

	cin >> s0 >> s1;

	Number n0(s0);
	Number n1(s1);

	int iLen = max(s0.size(), s1.size());

	vector<char> vc;

	int iAcc = 0;

	for (int i = 0; i < iLen; ++i)
	{
		iAcc += n0.GetDigit(i);
		iAcc += n1.GetDigit(i);

		int iDigit = iAcc % 10;

		vc.push_back('0' + iDigit);

		iAcc /= 10;
	}

	if (iAcc != 0)
	{
		vc.push_back('0' + iAcc);
	}

	for (int i = vc.size() - 1; i >= 0; --i)
	{
		cout << vc[i];
	}
}