#include <iostream>
using namespace std;
class myClass {
friend ostream &operator<< (ostream &os, myClass const &mc) {
os << 5 << '\n';
return os;
}
};
int main() {
cout << myClass{};
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKY2xhc3MgbXlDbGFzcyB7CglmcmllbmQgb3N0cmVhbSAmb3BlcmF0b3I8PCAob3N0cmVhbSAmb3MsIG15Q2xhc3MgY29uc3QgJm1jKSB7CgkJb3MgPDwgNSA8PCAnXG4nOwoJCXJldHVybiBvczsKCX0KfTsKCmludCBtYWluKCkgewoJY291dCA8PCBteUNsYXNze307CglyZXR1cm4gMDsKfQ==