#include<bits/stdc++.h> using namespace std; int main() { int n, x, b = 0; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (a[i] % 2 == 0) { x = a[i]; while (x > 0) { x = x / 10; b++; } if (b % 2 == 0) { cout << a[i] << endl; } } } return 0; }