#include <iostream>
using namespace std;
bool isPerfectEven(int num) {
    if (num % 2 != 0) return false;
    int digitCount = 0;
    int temp = num;
    while (temp > 0) {
        digitCount++;
        temp /= 10;
    }
    if (digitCount % 2 != 0) return false;
    temp = num;
    while (temp > 0) {
        int digit = temp % 10;
        if (digit % 2 != 0) return false;
        temp /= 10;
    }

    return true;
}

int main() {
    int n;
    cin >> n;

    for (int i = 0; i < n; i++) {
        int num;
        cin >> num;
        if (isPerfectEven(num)) {
            cout << num << endl;
        }
    }

    return 0;
}    
/**************************************************************
	Problem: 1397
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:13 ms
	Memory:2072 kb
****************************************************************/