Fibonacci Code

#include"iostream.h"
#include"stdlib.h"

int fibbo (int n);

void main()
{

int z,n;
char j;
do
{
system("cls");
cout<<"Masukkan angka yang mau difibonnaci : ";cin>>n;

z=fibbo(n);

cout<<"hasil bilangan fibbonaci "< cout< cout< cout<<"Apakah anda ingin mengulang (Y/T)? ";cin>>j;
}
while(j=='Y'||j=='y');
}


int fibbo (int n)
{
if(n==1)return(1);

else if(n==0)return(0);

else
{
cout<<"fibbonaci ( "<