Deret Bilangan Fibonacci Program C++

#include <iostream>
#include <cstdlib>
//andre
using namespace std;
int main (int argc, char *argv[])
{
    int a,b,f=0, f2=1, fib;
    cout<<"Input Deret Yang Ditampilkan : ";
    cin>>b;
    cout<<endl<<"---------------------------------------------------"<<endl;
    cout<<endl<<"Deret Fibonacci : "<<f;
    for(a=1;a<=b-2;a++)
    {
        cout<<" "<<f2;
        fib=f+f2;
        f=f2;
        f2=fib;
    }
    cout<<" "<<fib<<endl;
    cout<<endl<<"---------------------------------------------------"<<endl;
    system("pause");
    return 0;
}