#include <iostream>
int main() {
std::cin.exceptions( std::ios::failbit );
try {
int i = 0;
std::cin >> i;
std::cout << "i=" << i << std::endl;
}
catch(...) {
std::cerr << "error!" << std::endl;
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgoKaW50IG1haW4oKSB7CglzdGQ6OmNpbi5leGNlcHRpb25zKCBzdGQ6Omlvczo6ZmFpbGJpdCApOwoJdHJ5IHsKCSAgIGludCBpID0gMDsKCSAgIHN0ZDo6Y2luID4+IGk7CgkgICBzdGQ6OmNvdXQgPDwgImk9IiA8PCBpIDw8IHN0ZDo6ZW5kbDsKCX0KCWNhdGNoKC4uLikgewoJICAgIHN0ZDo6Y2VyciA8PCAiZXJyb3IhIiA8PCBzdGQ6OmVuZGw7Cgl9CglyZXR1cm4gMDsKfQ==