C++ :

#include <iostream>
#include <stdio.h>
using namespace std;

int N,x;
int main()
{
//	freopen("8b.in","r",stdin);
//	freopen("8b.out","w",stdout);
	cin >> N;
	for (int i=0; i<N ;i++)
	  {
		  cin >> x;
		  if (x%10==1 || x%10==2 || x/10==1 || x/10==2)
			  cout<<x<<" ";
	  }
	return 0;
}