#include <bits/stdc++.h>
using namespace std;

int main(){
	int i,g,s,b;
	for(i = 100;i <= 999;i++){
		b = i / 100;
		s = i / 10 % 10;
		g = i % 10;
		if(b == g && i % 2 == 0){
			cout<<i<<endl;
		}
	}
    return 0;
}

/**************************************************************
	Problem: 1392
	User: admin
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/