#include <iostream>
#include <cstdlib>

int main(int argc, char *argv[])
{
	int p, q;
	std::cin >> p >> q;
	int n= 0;


	std::cout << "0.";
	while (p!=0) {
		p= 2*p;
		if (p>=q) {
			std::cout << 1;
			p-= q;
		}
		else
			std::cout << 0;
		if (++n >= 50)
			break;
	}
	std::cout << std::endl;
	return EXIT_SUCCESS;
}