#include <iostream>
#include <iomanip>

int main()
{
    std::cout << std::setprecision(6) << 40.432f << std::endl;
    std::cout << std::setprecision(7) << 40.432f << std::endl;
    std::cout << std::setprecision(8) << 40.432f << std::endl;
    std::cout << std::setprecision(9) << 40.432f << std::endl;
    std::cout << std::setprecision(16) << 40.432f << std::endl;
}