func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, k;     cin >> n >> k;     long long x, q, b;     for (int i = k - 1; i >= 1; i--) {       x = n / i * k + i;       q = x % k;       b = x / k;       if (q * b == n) return cout << x, 0;     }   }   