#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <numeric>

using namespace std;
using ull = unsigned long long;
#define Mod %1000000007

int main() 
{
	ull A, B;
	cin >> A >> B;

	if (A >= B)
	{
		cout << (A - A % B) / B;
		A = (A % B) * 10;
	}
	else
	{
		cout << "0";
		A *= 10;
	}
	cout << ".";

	for (int i = 0; i < 50; ++i)
	{
		cout << (A - A % B) / B;
		A = (A % B) * 10;
	}

	cout << endl;

	return 0;
}