#include <iostream>
using namespace std;
int main() {
double l1, l2;
cin >> l1 >> l2;
cout << "suma: " << l1 + l2 << endl;
cout << "roznica: " << l1 - l2 << endl;
cout << "iloczyn: " << l1 * l2 << endl;
if (l2 != 0)
cout << "iloraz: " << l1 / l2 << endl;
else
cout << "Nie dziel przez zero!" << endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oKSB7CgkKCWRvdWJsZSBsMSwgbDI7CgkKCWNpbiA+PiBsMSA+PiBsMjsKCQoJY291dCA8PCAic3VtYTogIiA8PCBsMSArIGwyIDw8IGVuZGw7Cgljb3V0IDw8ICJyb3puaWNhOiAiIDw8IGwxIC0gbDIgPDwgZW5kbDsKCWNvdXQgPDwgImlsb2N6eW46ICIgPDwgbDEgKiBsMiA8PCBlbmRsOwoJCglpZiAobDIgIT0gMCkKCQljb3V0IDw8ICJpbG9yYXo6ICIgPDwgbDEgLyBsMiA8PCBlbmRsOwoJZWxzZQoJCWNvdXQgPDwgIk5pZSBkemllbCBwcnpleiB6ZXJvISIgPDwgZW5kbDsKCQoJcmV0dXJuIDA7Cn0=