#include<bits/stdc++.h>
using namespace std;
int main()
{
    int n;
    for(n=100;n<1000;n++){
        if(n%10==n/100&&n%2==0){
            cout<<n<<" ";
        }
    } 
return 0;
}
/**************************************************************
	Problem: 1392
	User: wengzihang
	Language: C++
	Result: Accepted
	Time:3 ms
	Memory:2072 kb
****************************************************************/