#include<bits/stdc++.h>
using namespace std;
int main()
{
int m[105];
int n,t,cnt=0;
cin>>n;
for(int i=0 ; i<n ; i++){
cin>>m[i];
}
for(int i=0 ; i<n ; i++){
bool tf=true;
if(m[i]%2==0)
{
cnt=0;
t=m[i];
while(t!=0){
cnt++;
t/=10;
}
if(cnt%2==0){
t=m[i];
while(t!=0)
{
if((t%2)%2!=0)
{
tf=false;
break;
}
t/=10;
}
if(tf){
cout<<m[i]<<endl;
}
}else{
tf=false;
}
}else{
tf=false;
}
}
return 0;
}
/**************************************************************
Problem: 1397
User: lzc
Language: C++
Result: Accepted
Time:15 ms
Memory:2072 kb
****************************************************************/