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+" ");

}

}

}