#include <string>
#include <iostream>
#include <sstream>
 
int main(){
        std::stringstream str;
        std::string result;
        for (unsigned long long mask = 1; mask != 0; mask <<= 1) {
                str << mask;
                str >> result;
                std::cout << result << std::endl;
                str.flush();
        }
    return 0;
}