9.30. Write a program that a number Fibonacci or not Fibonacci.

#include<stdio.h> 
#include<conio.h>
void main ()
{
long a,b,c;

int n,i;
clrscr ();

printf("How many numbers:");

scanf("%d",&n);

a=0;

b=1;

for(i=1;i<=n;i++)

{

printf("%10ld",a);

c=a+b;

a=b;

b=c;

}

if(a==n)

printf("Fibonacci");

else

printf("Not Fibonacci");

getch();

}