#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: admin
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/