#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: wangyiyang
	Language: C++
	Result: Accepted
	Time:5 ms
	Memory:2072 kb
****************************************************************/