#include <iostream>
#include <iomanip>

int main()
{
	int a = 1, b = 3;
	std::cout << std::setprecision(100) << static_cast<float>(a)/b << std::endl;
	std::cout << std::setprecision(100) << static_cast<double>(a)/b << std::endl;
	std::cout << std::setprecision(100) << static_cast<long double>(a)/b << std::endl;
}