WAP to Print fibonacci series.

#include<iostream.h>
#include<conio.h>
void main()
{   unsigned long first=0,second=1,third,n;
     cout<<"Enter the limit:";
     cin>>n;
     cout<<" fibonacci series\n";
     cout<<"first<<"  "<<seecond;
     for(int i=2;i<n;++i)
      {        third=first+second;
                cout<<"  "<<third;
                first=second;
                second=third;
        }
         getch();
  }