#include <bits/stdc++.h>
using namespace std;
int main(){
int i,n,m,h=0,j;
cin>>n>>m;
for(i=n;i<=m;i++){
h=0;
for(j=1;j<=i/2;j++){
if(i%j==0){
h=h+j;
}
}
if(i==h){
cout<<i<<" ";
}
}
return 0;
}
/**************************************************************
Problem: 1136
User: 15159808820
Language: C++
Result: Accepted
Time:12 ms
Memory:2072 kb
****************************************************************/