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