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Problem hidden on 2020-10-03 04:20:35 by Tuvhsee

KHU07 - y=3x-5 функц

y=3x-5 функцийн утгыг ол.

Input

Нэг мөрөнд ганц тоо өгөгдөнө.

Output

Хариу болох ганц тоо

Example

Input:
1

Output:
-2

Нэмсэн:@###@
Огноо:2017-10-24
Хугацааны хязгаарлалт:1s
Эх кодын хэмжээний хязгаарлалт:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Програмчлалын хэлүүд:C-CLANG C CSHARP C++ 4.3.2 CPP CPP14 CPP14-CLANG C99 CLPS COFFEE LISP clisp D-CLANG D JAVA JS-MONKEY OBJC-CLANG OCT PAS-GPC PHP PYTHON PYTHON3
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