package codeup100;

import java.util.Scanner;

public class c1088 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        sc.close();

        for(int i=0; i<=a; i++){
            if(i%3 ==0) continue;
            System.out.print(i+" ");
        }
    }
}