#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int32_t A, B, C, D;
	cin >> A >> B >> C >> D;

	cout << static_cast<int64_t>(A) * C - static_cast<int64_t>(B) * D << ' ' << static_cast<int64_t>(A) * D + static_cast<int64_t>(B) * C << '\n';
	return 0;
}