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

int main() {
	string a, b;
	string ans = "";
	cin >> a >> b;
	int i = 0, carry = 0;;
	string smaller, bigger;

	if (max(a.length(), b.length()) == a.length()) {
		smaller = b;
		bigger = a;
		i = a.length();
	}
	else {
		smaller = a;
		bigger = b;
		i = b.length();
	}

	i -= 1;
	int diff = bigger.length() - smaller.length();
	int num1, num2;

	while (i >= 0) {

		num1 = int(bigger[i] - '0');
		num2 = i - diff < 0 ? 0 : int(smaller[i - diff] - '0');


		if (i == 0) {
				ans += to_string((num1 + num2 + carry) % 10);
			if (num1 + num2 + carry > 9)
				ans += to_string((num1 + num2 + carry) / 10);
			break;
		}
		ans += to_string((num1 + num2 + carry) % 10);

		if (num1 + num2 + carry > 9)
			carry = (num1 + num2 + carry) / 10;
		i--;
	}
	for (int i = ans.length() - 1; i >= 0; i--)
		cout << ans[i];
	cout << '\n';
}