#include <iostream>
using namespace std;
int main()
{
	float t,V,N,I;
	int n,i,j;
	cin >> t >> n;
    V = t / n;
	i =V * 10000;
	j = i % 10;
	if (j >= 5) {
		i = (i + 5) / 10;
	}
	else
		i=i / 10;
	I = i / 1000.000;
	N = n * 2;
	cout << I<< endl;
	cout << N << endl;
	return 0;

}