func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MOD = 1e9 + 7;   void file() {     freopen( alost.in ,  r , stdin);     freopen( output.txt ,  w , stdout);   }   bool ar[10000005];   void sieve() {     ar[0] = ar[1] = 1;     for (long long i = 2; i * i <= (int)1e7; i++)       if (!ar[i])         for (long long j = i * i; j <= (int)1e7; j += i) ar[j] = 1;   }   int main() {     ios_base::sync_with_stdio(0);     cin.tie(NULL), cout.tie(NULL);     ;     sieve();     int n;     cin >> n;     for (int i = 2; i <= (int)1e7 && n; i++)       if (!ar[i]) cout << i <<    , n--;     cout << endl;     return 0;   }   