#include<iostream>
using namespace std;
int palin(int i)
{
int isalv=i, iinv=0;
while(i)
{
iinv=iinv*10+i%10;
i=i/10;
}
return isalv==iinv;
}
main()
{
int m, n, i;
cout<<"m="; cin>>m;
cout<<"n="; cin>>n;
for(i=m;i<n;i++)
if (palin(i)) cout<<i<<endl;
return 0;
}