#include <iostream>
using namespace std;
int main()
{
int n;
cin >> n;
int a[n];
for (int i = 1; i <= n; i++)
{
cin >> a[i];
if (a[i] % 2 == 0)
{
a[i] = 2;
}
else
{
a[i] = a[i] * a[i];
}
}
for (int i = 1; i <= n; i++)
{
cout << a[i] << " ";
}
return 0;
}