#include <iostream>
#include <string>

std::string bitshiftright(std::string s) {
    std::string res;
    res = s[0] + s.substr(0, s.size()-1);
    return res;
}


int main() {
    std::string s = "101001";
    std::cout << bitshiftright(s) << std::endl;
    return 0;
}