#include<iostream>
using namespace std;
int main(){
	int i,a,c;
	for(i=100;i<=999;i++){
		a=i/100;
		c=i%10;
		if(a==c&&i%2==0){
			cout<<i<<endl;
		}
	}
}
/**************************************************************
	Problem: 1392
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/