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.|

RGB7298 - Анхны тоо

Өгөгдсөн тоо анхны тоо бол YES үгүй бол NO гэж хэвлэ.

Input

Бүхэл тоо өгөгдөнө.

Output

YES/NO

Example

Input 1:
11
Output 1:
YES
Input 2:
26
Output 2:
NO



Нэмсэн:Bataa
Огноо:2019-12-10
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:ADA95 ASM32 ASM64 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
2019-12-23 04:56:09
zai


Last edit: 2019-12-23 06:17:37
© Spoj.com. All Rights Reserved. Spoj uses Sphere Engine™ © by Sphere Research Labs.