#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, s, e) for (int i = (int)(s); i < (int)(e); ++i)

int main() {
	cin.tie(nullptr);
	ios_base::sync_with_stdio(false);
	
	ll A, B;
	cin >> A >> B;
	
	if (A == 0) {
		cout << 0 << '\n';
		return 0;
	}
	
	if (A*B < 0) cout << '-';
	if (A < 0) A *= -1;
	if (B < 0) B *= -1;
	
	cout << A / B;
	if (A % B == 0) {
		cout << '\n';
		return 0;
	}
	cout << '.';
	
	A %= B;
	
	while (A > 0) {
		A *= 10;
		cout << A / B;
		A %= B;
	}
	cout << '\n';
}