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#include <bits/stdc++.h>
using namespace std;template<class T>auto operator<<(ostream &o,T x)->decltype(
x.end(),o){o<<'{';int i=0;for(auto e:x)o<<(", ")+2*!i++<<e;return o<<'}';}
#ifdef DEBUG
#define LOG(x...)cerr<<"["#x"]: ",[](auto...$){((cerr<<$<<"; "),...)<<'\n';}(x)
#else
#define LOG(x...)
#endif

int at(string &value, int position)
{
	int index = value.size() - position - 1;
	return index < 0 ? 0 : value[index] - '0';
}

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

	string first, second;
	cin >> first >> second;

	int length = max(first.size(), second.size());
	int carry = 0;

	string output(length, '0');

	for (int index = 0; index < length; index++) {
		int current = at(first, index) + at(second, index) + carry;
		output[index] = '0' + (current % 10);
		carry = current / 10;
	}

	if (carry)
		cout << '1';

	for (int index = length - 1; index >= 0; index--)
		cout << output[index];

	cout << '\n';
}