Problem hidden
|This problem was hidden by Editorial Board member probably because it has incorrect language|version or invalid test data, or description of the problem is not clear.|

RGB7606 - Фибоначчийн n дахь гишүүн

F1=1, F2=1, Fn=Fn-1+Fn-2 томьёо өгөгдсөн бол n-р гишүүнийг ол.

Input

Натурал тоо өгөгдөнө. 1<=n<=45.

Output

Fn

Example

Input:

3

Output:

2


Нэмсэн:Bataa
Огноо:2013-01-24
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:ADA95 ASM32 BASH BF C NCSHARP CSHARP C++ 4.3.2 CPP C99 CLPS LISP sbcl LISP clisp D ERL FORTRAN HASK ICON ICK JAVA JS-RHINO JULIA LUA NEM NICE OCAML PAS-GPC PAS-FPC PERL PHP PIKE PRLG-swi PYTHON PYPY3 PYTHON3 RUBY SCALA SCM guile ST TCL WHITESPACE

hide comments
2022-05-26 02:21:55
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:54
EZZZZZ
2022-05-26 02:21:53
EZZZZZ
© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.