C++ :

#include<bits/stdc++.h>

using namespace std;
int a[10010];
int n;
int main() {
    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i];
    sort(a + 1, a + n + 1);
    for (int i = 1; i <= n; i++) {
        int t = a[i], c = 0;
        while (t != 0) {
            if (t % 10 % 3 == 0) {
                c++;
                
            }
            
            t /= 10;
        }
        if (c % 2 == 0) {
            cout << a[i] << endl;
        }
    }
    return 0;
}