func_code_string: #include <bits/stdc++.h>   using namespace std;   struct data {     int a, b, c, d;     data() {}     data(int a, int b, int c, int d) : a(a), b(b), c(c), d(d) {}   };   const int MAX = 100500;   data info[MAX];   int main() {     std::ios_base::sync_with_stdio(false);     int n, k;     cin >> n >> k;     info[0] = data(1, 2, 3, 5);     int mx;     for (int i = 1; i < n; i++) {       info[i] = data(info[i - 1].a + 6, info[i - 1].b + 6, info[i - 1].c + 6,                      info[i - 1].d + 6);     }     mx = info[n - 1].d * k;     cout << mx <<   n ;     for (int i = 0; i < n; i++) {       cout << info[i].a * k <<     << info[i].b * k <<     << info[i].c * k <<                << info[i].d * k <<   n ;     }     return 0;   }   