/* -*- coding: utf-8 -*-
 *
 * 858.cc:  No.858 わり算 - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int N = 50;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

/* main */

int main() {
  ll a;
  int b;
  scanf("%lld%d", &a, &b);

  printf("%lld.", a / b);
  a %= b;

  for (int i = 0; i < N; i++) {
    a *= 10;
    printf("%lld", a / b);
    a %= b;
  }
  putchar('\n');
  return 0;
}