func_code_string: #include <bits/stdc++.h>   using namespace std;   long long gcd(long long a, long long b) { return b == 0 ? a : gcd(b, a % b); }   int main(void) {     long long n, k;     cin >> n >> k;     long long temp = 1;     for (long long i = 1; i <= k; i++) temp *= 10;     cout << n * temp / gcd(temp, n);   }   