#include <iostream>
using namespace std;
//Q1(b) 1E3 2009

int main() {
	int n,i,sum;
	for (n=1; n<500; n++) {
		//test if n is perfect	
		sum=1; // sum of divisors so far
		for (i=2;i<n;i++) {
			if (n%i==0) //if i is a divisor of n
				sum = sum + i; // add it on
		}//end of looking for divisors of n
    	if (n == sum)
			cout << i << " ";
	} //end of testing numbers
	cout << endl;
	return 0;
}