#include<bits/stdc++.h>
using namespace std;
bool wm(int n){
bool r=true;
int s=1;
for(int i=2;i<=sqrt(n);i++){
if(n%i==0) s=s+i;
}
if(s==n) r=true;
else r=false;
return r;
}
int main(){
int n,m;
cin>>m;
cin>>n;
for(int i=m;i<=n;i++){
if(wm(i)) cout<<i<<" ";
}
}
/**************************************************************
Problem: 1136
User: zhuanghaoxiang
Language: C++
Result: Wrong Answer
****************************************************************/