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Points:
3 (partial)

Time limit:
1.0s

Memory limit:
256M

Problem type

Allowed languages

Ada, Assembly, Awk, Brain****, C, C#, C++, COBOL, ~~CommonLisp~~, D, Dart, F#, Forth, Fortran, Go, ~~Groovy~~, Haskell, Intercal, Java, JS, Kotlin, Lisp, Lua, ~~Nim~~, ~~ObjC~~, OCaml, ~~Octave~~, Pascal, Perl, PHP, Pike, Prolog, Python, Racket, Ruby, Rust, Scala, Scheme, Sed, Swift, TCL, Text, Turing, VB, Zig

Tudor is building a pen for his goats. goats need a rectangular pen with area exactly square meters to roam.

Tudor needs to buy some fencing to demarcate the pen. The fencing comes in one meter units, so the rectangular pen must have side lengths that are an integer number of meters.

Tudor will randomly select, among all such possible rectangular pens with area square meters, one pen to build. Compute the minimum amount of fencing, in meters, that Tudor needs to buy to guarantee that he can build the randomly selected pen.

#### Constraints

#### Input Specification

The first and only line of input contains a single positive integer, .

#### Output Specification

Output the minimum amount of meters of fencing Tudor must buy.

#### Sample Input

`1`

#### Sample Output

`4`

## Comments

Nvm

Edit: I understand it now

big bruh moment

Why am I getting

`Presentation Error, check your whitespace`

?Edit: I know it means that I have either too many whitespaces or I'm missing some. But I don't have any whitespaces in my output, and I don't think we need to in this question?

If you look at the contest page, you will see that it states the following:

The contest will follow the standard convention of having all lines terminate in a

`\n`

character.