#include <bits/stdc++.h>   using namespace std;   long long lkd(long long a, long long b) {     while (b > 0) {       long long c = b;       b = a % b;       a = c;     }     return a;   }   int main() {     long long a, s, b = 1;     cin >> a >> s;     for (long long i = 0; i < s; i++) b = b * 10;     cout << (a * b) / lkd(a, b);   }   