#include <iostream>
#include <memory>
int main() {
auto p = std::make_unique<std::unique_ptr<std::pair<int, int>>>(std::make_unique<std::pair<int, int>>(5, 6));
std::cout << p.operator->()->operator->()->first
<< ' ' << p->operator->()->second;
}
CSNpbmNsdWRlIDxpb3N0cmVhbT4KCSNpbmNsdWRlIDxtZW1vcnk+CgkKCWludCBtYWluKCkgewoJCWF1dG8gcCA9IHN0ZDo6bWFrZV91bmlxdWU8c3RkOjp1bmlxdWVfcHRyPHN0ZDo6cGFpcjxpbnQsIGludD4+PihzdGQ6Om1ha2VfdW5pcXVlPHN0ZDo6cGFpcjxpbnQsIGludD4+KDUsIDYpKTsKCQlzdGQ6OmNvdXQgPDwgcC5vcGVyYXRvci0+KCktPm9wZXJhdG9yLT4oKS0+Zmlyc3QKCQkJPDwgJyAnIDw8IHAtPm9wZXJhdG9yLT4oKS0+c2Vjb25kOwoJfQo=