#include <bits/stdc++.h>
using namespace std;
const int md = 1000000007;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int tt{}, T{};
  tt = 1;
  while (tt--) {
    int n{}, m{}, ans{}, k{}, a{}, b{}, c{}, f{};
    cin >> n;
    if (n == 1) {
      cout << "1\n";
      return 0;
    }
    if (n == 2) {
      cout << "2 1\n";
      return 0;
    }
    a = sqrt(n);
    b = n - a * a;
    for (int j = 0; j < b; ++j) {
      for (int i = n + 1 - j * (a + 1) - a - 1; i < n + 1 - j * (a + 1); ++i) {
        if (i > 0) cout << i << " ";
      }
    }
    if (b > 0) n = n - (b) * (a + 1);
    for (int i = 0; i < a - b; ++i) {
      for (int j = n + 1 - i * a - a; j < n + 1 - i * a; ++j) {
        if (j > 0) cout << j << " ";
      }
    }
    cout << "\n";
  }
  return 0;
}
