/// $ c++ -std=c++11 *.cc && ./a.out
#include <bitset>
#include <cstdlib>
#include <iostream>
#include <limits>
int main()
{
uint64_t n;
if (!(std::cin >> n)) std::exit(EXIT_FAILURE);
std::bitset<std::numeric_limits<decltype(n)>::digits> bits{n};
std::cout << bits.to_string();
}
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