#include <iostream>
using namespace std;
int main(){
    int m,n,c=0,i;
    cin>>m>>n;
    for(i=m;i<=n;i++){
        if(i/100==i%10){
            cout<<i<<endl;
            c++;
        }
    }
    cout<<c;
}
/**************************************************************
	Problem: 1742
	User: yangjunwen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/