#include <iostream>
using namespace std;
int main(void) {
	long long a, b;
	cin >> a >> b;
	cout << a / b << '.';
	long long r = a % b;
	for (int i = 0; i < 50; ++i) {
		r *= 10;
		long long c = r / b;
		cout << c;
		r -= c * b;
	}
	cout << endl;
	return 0;
}