#include <iostream>
using namespace std;
int multiplyBy2(int x)
{
return 2*x;
}
int main()
{
int i, n;
// read n from the user
cin >> n;
// print out the first n even numbers
for (i=1; i<=n; i++)
cout << multiplyBy2(i) << endl;
return 0;
}
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