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RGB7105 - Нийлбэр 80

Өгөгдсөн 4 тооны 80-аас их тоонуудын нийлбэрийг ол.

Input

Нэг мөрөнд Int төрлийн 4 тоо зайгаар тусгаарлагдан өгөгдөнө.

Output

Нийлбэр.

Example

Input:
85 75 96 69
Output:
181

Нэмсэн:Bataa
Огноо:2011-05-23
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

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2018-03-21 03:15:56
shuree hugshuun naadhaa yvuulchih

2017-10-24 11:35:23
Where the hood where the hood where the hood at
2017-10-17 15:24:47
SARINA
2017-10-17 11:48:41
gg


2017-01-05 09:00:50
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2015-01-07 13:45:03 BODLOGIIN-ANGUUCH 3
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2014-10-12 13:03:13 BODLOGIIN-ANGUUCH 2
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2013-10-27 11:45:49 zolbootugs
yaj bodov?
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