


Create a function that determines whether a given number N belongs to the Fibonacci sequence. If N is found in the Fibonacci sequence, the function should return true; otherwise, it should return false.
Integer N
Output Format :
true or false
0 <= n <= 10^4
5
true
Fibonacci sequence begins 0, 1, 1, 2, 3, 5, ... and so on. Since 5 appears in the sequence.
14
false