#include<bits/stdc++.h>
using namespace std;
int a,b;
int main(){
	for(int i=100;i<=999;i++){
		a=i/100;
		b=i%10;
		if(i%2==0&&a==b){
			cout<<i<<endl;
		}
	}
	return 0;
}
/**************************************************************
	Problem: 1392
	User: zhangziang
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/