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#include<iostream>
#include<algorithm>
#include<string>

using namespace std;

int main()
{
	std::ios_base::sync_with_stdio(false);
	std::cin.tie(nullptr);
	
	string a, b;
	string result;
	int sum;
	int next = 0;

	cin >> a >> b;

	if (a.length() > b.length())
	{
		b = string(a.length() - b.length(), '0') + b;
	}
	else if (a.length() < b.length())
	{
		a = string(b.length() - a.length(), '0') + a;
	}

	// -48

	for (int i = a.length() - 1; i >= 0; --i)
	{
		sum = a[i] + b[i] - 96 + next;

		next = sum / 10;

		result.push_back((sum % 10) + 48);
	}


	reverse(result.begin(), result.end());

	if (next > 0)
	{
		cout << to_string(next) + result;
	}
	else
	{
		cout << result;
	}
}