#include <bits/stdc++.h>
using namespace std;
bool DEB = 0;
void __start__() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
}
mt19937_64 rnd(time(0));
using ll = long long;
using vi = vector<int>;
using ld = long double;
using pii = pair<int, int>;
void test_case() {
  ll n, k, two, five, c = 1;
  cin >> n >> k;
  two = k;
  five = k;
  while (n % 2 == 0 && two) n /= 2, two--;
  while (n % 5 == 0 && five) n /= 5, five--;
  cout << n << string(k, '0');
}
signed main() {
  __start__();
  int Q = 1;
  while (Q--) test_case();
}
