#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
using namespace std;


int main()
{
    int n;
    string delim = "";
    cin >> n;
    for (int i = 1; i <= n; i += 2){
        cout << delim << i;
        delim = " ";
    }
    cout << endl;
}