#include<iostream>
#include<math.h>
using namespace std;
int main()
{
	int a, n;
	cin >> n;
	while (n)
	{
		while (cin >> a)
		{
			int b = 2;
			int c = sqrt(a);
			while (b < c)
			{
				if (!(a % b)) 
				{ 
					cout << a ;
					n--;
					break; 
				}
				b++;
			}
		}
	}
}```