Perulangan While Pada C++ 2

#include <iostream.h>
#include <conio.h>
int main()
{
clrscr;
int n,i;
i=0;
cout<< "input n: ";
cin>> n;
while (i<n)
{
i+=2;
cout<<i<<",";
}
cout<<"fire"<<endl;
getch();
return 0;
}