#include<bits/stdc++.h>
using namespace std;
bool s(int j){
	bool f;
	int h=0;
	f=true;
	for(int i=1;i<j;i++){
		if(j%i==0){
			h+=i;
		}
	}
	if(h!=j){
		f=false;
	}
	return f;
}
int main() {
	int m,n;
	cin>>m>>n;
	for(int i=m;i<=n;i++){
		if(s(i)) cout<<i<<" ";
	}
	return 0;
}

/**************************************************************
	Problem: 1136
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/