#include <bits/stdc++.h>
#define PI 3.14159265359
using namespace std;
const int64_t mod = 1e9 + 7;

int main() {
	int N;
	cin >> N;

	for (int i = 1; i < N + 1; i += 2) {
		cout << i << ' ';
	}
	
	cout << endl;
}