func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, k, p, q, x = 0, y = 0, ans;     cin >> n >> k;     p = q = n;     while (p % 2 == 0) {       p /= 2;       x++;     }     while (q % 5 == 0) {       q /= 5;       y++;     }     p = k - x;     q = k - y;     if (p < 0) p = 0;     if (q < 0) q = 0;     ans = n * pow(2, p) * pow(5, q);     cout << ans;     return 0;   }   