#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;


int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;

    int m = (n + 1) / 2;
    for (int i = 0; i < m; i++) {
        cout << i * 2 + 1 << " \n"[i == m - 1];
    }

    return 0;
}