1 import java.util.*;
 2 public class Main{
 3     public static void main(String[] args){
 4         Scanner in = new Scanner(System.in);
 5         int num = in.nextInt();
 6         for(int i=6;i<=num;i++){
 7             int sum = 0;
 8             for(int j=1;j<i;j++)
 9                 if(i%j==0){
10                     sum += j;
11                 }
12             if(sum==i)
13                 System.out.println(i);
14         }
15     }
16 }