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#include <iostream>
#include <string>
#include <vector>

int main() {
	std::string a,b;
	std::cin >> a >> b;
	std::vector<char> numberA(5001, 0);
	std::vector<char> numberB(5001, 0);
	std::vector<char> result(5001, 0);
	int j = 0;
	for (int i = a.size() - 1; i >= 0; i--) {
		numberA[j++] = a[i] - '0';
	}
	j = 0;
	for (int i = b.size() - 1; i >= 0; i--) {
		numberB[j++] = b[i] - '0';
	}
	int maxSize = std::max(a.size(), b.size());

	for (int i = 0; i < maxSize; ++i) {
		result[i] += (numberA[i] + numberB[i]);
	       	if (result[i] >=10) {
			result[i + 1] += (result[i] / 10);
			result[i] %= 10;
		}
	}
	std::string resultString;
	int index = maxSize;
	while (result[index] == 0) {
		--index;
	}
	while (index >= 0) {
		resultString.push_back(result[index--] + '0');
	}

	std::cout << resultString << std::endl;

	return 0;
}