import java.util.*;
import java.io.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		PrintWriter ou = new PrintWriter(System.out);
		int n = Integer.parseInt(sc.next());
		for(int i = 1 ; i <= n ; i++){
			if(i % 2 == 1){
				ou.print(i);
				if(i < n - 1) ou.print(" ");
			}
		}
		ou.println();
		ou.flush();
		sc.close();
	}
}