【错的次数】

#include <bits/stdc++.h>

using namespace std;

long long n, k;

long long temp;

long long gcd(long long a, long long b) {

	if (b == 0)

		return a;

	else

		return gcd(b, a%b);

}

int main() {

	//freopen("F:\\rush.txt", "r", stdin);

	ios::sync_with_stdio(0), cin.tie(0);

	cin >> n >> k;

	temp = 1;

	for (int i = 1; i <= k; i++)

		temp = temp * 10;

	cout << n*temp / gcd(temp, n) << endl;

	return 0;

}