#include <bits/stdc++.h>
using namespace std;
bool wq(int i){
	int sum=0;
	for(int ii=1;ii<i;ii++){
		if(i%ii==0)sum+=ii;
	}
	return (sum==i);
}
int main(){
	int o,p;
	cin>>o>>p;
	for(int ii=o;ii<=p;ii++){
		if(wq(ii))cout<<ii<<" ";
	}
	
	return 0;
}

/**************************************************************
	Problem: 1136
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/