#include<bits/stdc++.h>
using namespace std;
int main(){
int m,n,i,h=0;
	cin>>m>>n;
	for(i=m;i<=n;i++){
		if(i%10==i/100){
			cout<<i<<endl;
			h++;
		}
	}
	cout<<h<<endl;
	return 0;
}
/**************************************************************
	Problem: 1742
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:19 ms
	Memory:2072 kb
****************************************************************/