func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = (int)1e6 + 7;   const int MOD = (int)1e9 + 7;   const long long INF = (long long)1e18 + 7;   int main() {     ios_base::sync_with_stdio(0);     cin.tie(0);     cout.tie(0);     int n;     cin >> n;     vector<int> p(n + 1, 0);     for (int i = 2; i * i <= n; i++)       if (p[i] == 0) {         p[i] = i;         for (int j = i * i; j <= n; j += i)           if (!p[j]) p[j] = i;       }     for (int i = 1; i <= n; i++)       if (!p[i]) p[i] = i;     vector<int> ans;     for (int i = 1; i <= n; i++) ans.push_back(i / p[i]);     sort(ans.begin(), ans.end());     for (int i = 1; i < n; i++) cout << ans[i] <<    ;   }   