#include <iostream>
#include <vector>
int main()
{
std::vector<int> v;
std::cout << (v.begin() == v.end()) << std::endl;
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8dmVjdG9yPgoKaW50IG1haW4oKSAKewoJc3RkOjp2ZWN0b3I8aW50PiB2OwoJc3RkOjpjb3V0IDw8ICh2LmJlZ2luKCkgPT0gdi5lbmQoKSkgPDwgc3RkOjplbmRsOwoJCglyZXR1cm4gMDsKfQ==