Problem:
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Fibonacci Number

Write a program which prints $n$-th fibonacci number for a given integer $n$. The $n$-th fibonacci number is defined by the following recursive formula:

\begin{equation*}
fib(n)= \left \{
\begin{array}{ll}
1　 & (n = 0) \\
1　 & (n = 1) \\
fib(n - 1) + fib(n - 2) & \\
\end{array}
\right.
\end{equation*}

Input

An integer $n$ is given.

output

Print the $n$-th fibonacci number in a line.

Constraints

$0 \leq n \leq 44$

Sample Input 1

3

Sample Output 1

3

Solution in Python3 (judge verdict: Wrong Answer)

def fib(numbers, find):
    if len(numbers) <= find:
        numbers.append(numbers[-1] + numbers[-2])
        fib(numbers, find)
    else:
        print(numbers)
        print(numbers[find-1])


# n = 4
n = int(input())
number_list = []


if n == 0 or n == 1:
    print(1)
else:
    number_list.append(n-2)
    number_list.append(n-1)
    fib(number_list, n)