func_code_string: #include <bits/stdc++.h>   using namespace std;   long long a, b, r, x;   int main() {     cin >> a;     b = 45 * 17 * 10000000000000000LL;     r = 100000000000000000LL - 1;     x = b % a;     cout << a - x <<     << a - x + r;     return 0;   }   