#include <bits/stdc++.h>
using namespace std;
const long long N = 103, NUM = 10, BIG = 1e9, MOD = 1e9 + 7;
int main() {
  ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
  long long n, nn, k;
  cin >> n >> k;
  nn = n;
  long long st_2 = 0, st_5 = 0;
  while (nn % 2 == 0) {
    nn /= 2;
    st_2++;
  }
  while (nn % 5 == 0) {
    nn /= 5;
    st_5++;
  }
  long long ans = 1;
  for (int i = st_2; i < k; i++) ans *= 2;
  for (int i = st_5; i < k; i++) ans *= 5;
  cout << n * ans;
  return 0;
}
