Fabonacci series Using C++

#include<iostream>          // header file
using namespace std;
main()                      // simple main function
{
  //variable declaration
int number, firstvalue = 0, secondvalue = 1, next ;

// simple programming of cout
   cout<<"Enter the number of terms:\a";
   cin>>number;
   cout<<"-------------------------------------\n"<<endl;
   cout<<"Fabonacci series of "<<number<<"is:\n";
   cout<<"-------------------------------------\n"<<endl;


   for (int i=0;i<number;i++)
   {
      if(i<=1)
      next = i;
      else
      {
  next = firstvalue + secondvalue;
  firstvalue = secondvalue;
  secondvalue = next;
      }
      cout<<next<<"\t";
   
   }
cout<<"\n\n \a";
   }
 

 //  fb: programmarsarmy.blogspot.com
   
OutPut: