#include <iostream.h>
#include "timer.h"

long double Fib(long double member);

int main()
{
	int member;
	cout<<"Which member do you want to calculate? ";
	cin>>member;
	cout<<Fib(member)<<endl;
	timer(cout);
}

long double Fib(long double member)
{
	if (member<0)
	{
		cout<<"The member must be greater than 1."<<endl;
		exit(0);
	}
	if (member<=1) return member;
	return (Fib(member-1)+Fib(member-2));
}