#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  cin >> N;
  vector<int> a;
  for (int i = 1; i <= N; i += 2){
    a.push_back(i);
  }
  int n = a.size();
  for (int i = 0; i < n; i++){
    cout << a[i];
    if (i < n - 1){
      cout << ' ';
    }
  }
  cout << endl;
}