俺の許嫁と幼なじみが修羅場すぎる | paizaオンラインハッカソン（POH）

Rena is my affianced bride? I have to decode this letter!

The idol Rena Nitta is my affianced bride?
She said she is keeping a letter from my parents oversea. but it’s written in code....I can’t read it unless I crack the code! What on Earth will become of me?!!
Tatsuya opens the letter and found it's encrypted and difficult to understand. The beginning of the letter starts with a hint: “ODD,” written in Roman letters. And followed by encrypted letters below:

RieanbaC Biwsu

Looking closely and you realize the meaning behind “ODD” ? it refers to odd numbers. Read the odd-numbered letters in the phrase and you will read:

Rena is

There is more encrypted letters. Use given string S from standard input, and decode encrypted letters and print the results to standard output.
Show less

Please decipher cipher on a letter.
Story changes depends on your programming!

Input value

Input is applied in the following format:

S is a string composed of alphabet letters and spaces of length N.

Conditions

The input values have the following constraints for all test cases.

1 ≦ N ≦ 100

Expected output

The output should be the decoded text.
Please add a new line at the end, and do not include any unnecessary characters or empty lines.

Input example 1: PXaeiTzVap

Output example 1: Paiza

Input example 2: abcdefg hijklmn

Output example 2: aceghjln

Answer

Please enter and submit the code that solves the problem above using the text box below.
You can use the following languages: Java, PHP, Ruby, Python2, Python3, Perl, C, C++, C#, JavaScript, Objective-C, Scala, Go, Swift, Kotlin.

To find out about methods for reading values from standard input, please refer to the sample codes shown in the pages below:

Select language

Code execution result

Nickname (Required)	You can use letters and numbers. This nickname may be displayed on our site when we publish your codes as sample solutions, or when we announce the prize winners.
email (Required)	Your registered e-mail address will not be used outside of Paiza Online Hackathon. Once you submit your code, we will e-mail your results page.
Country to represent （Required）

Extra programming challange

【POH vol.5+】Rena and Minami International Programming Competition

You can choose a girl you like with your code!?

If it were you, who would you choose? Childhood friend, Minami or affianced one, Rena!?
Fate of Tatsuya changes Depend on outcome of programming challange, Write a smart code with your favorite language(Java,C,C++C#,PHP,Ruby,Python,Perl,JavaScript). Your code will be tested by multiple test cases. You will get a score based on the number of successful answer, and running time.

*We use only one test case for one code execution.

There areseveral programming challangesfor the story. Complete all challanges!

POH is a public programming challenge. There is no time limit.
You can try these challenges as many times as you want.
You can publish your code in public. (Blog, Twitter, Facebook, GitHub)

How to play

		Write code
		Compile and test the code
		Submit
		Then, we will show your score!
		Fate of Tatsuya changes Depend on outcome of your programming challange.

*Your code may published to the others with your nickname.

Event schedule,

Schedule

Submission Period: April 14 (Thu) - May 19 (Thu)
Examination period: May 20 (Wed) - May 26 (Thu)
Result announcement: May 27 (Wed)

Prize

6 sets of Momoya "Gohandesuyo" for 3. Intel Edison Kit for Arduino for 1. Winner will be chosen by lottery and only Japanese residents are eligible for the prize.

Events Terms

　In this campaign, with problems open to the public, you can take the test without membership registration. However, when submitting, it is assumed that you are familiar with the following important points.
*Important Points*
(1) Membership registration is not required, but it is necessary to register an email address. However, this company will not use this email address for any other purposes outside of this campaign.
(2) Existing members may also take the test in this campaign, but as this has no effect on personal skill ranks, please note this in advance.
(3) The copyright for submitted code belongs to the examinee, but this company will make that code open to the public on our website, SNS, etc., and may use it freely. This complies fully with the rules of use, in Article 5, section 2.
(4) As there may the case that codes submitted may not be completely preserved, they should be backed personally based on the needs of the examinee, and we ask for the appropriate support.

Our clients

If you register (login) for paiza, you can download wallpapers!

Then user registration (login) can download 5 kinds of wallpaper in paiza!

Wallpaper 1

Wallpaper 2

Wallpaper 3

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すぐにプログラミング力をはかるスキルチェック問題にチャレンジできます。（想定解答時間20分）

Graph Sum

Top Select Ratio Title

Top Select Ratio Description

Country	Minami Select Ratio	Rena Select Ratio
日本	50 %	50 %
United States	47 %	53 %
China	47 %	53 %
Korea	50 %	50 %
France	67 %	33 %
Thailand	43 %	57 %
Indonesia	49 %	51 %
Italy	0 %	100 %
Russian	33 %	67 %
Malaysia	61 %	39 %
Viet Nam	33 %	67 %
Taiwan	49 %	51 %
Canada	61 %	39 %
Sweden	60 %	40 %
Finland	50 %	50 %
Singapore	53 %	47 %
Philippines	53 %	47 %
Hong Kong	39 %	61 %
Mexico	57 %	43 %
Pakistan	100 %	0 %
other	46 %	54 %
Germany	50 %	50 %
India	100 %	0 %
Saudi Arabia	40 %	60 %
Israel	50 %	50 %

（2015/05/20Sum Update）

Language Summary

Language Summary Description

Programming Language	Sum Count	Minami Select	Rena Select
Java	3021 Submit	342 Select	301 Select
PHP	1706 Submit	179 Select	196 Select
Ruby	1608 Submit	207 Select	196 Select
Python2	1970 Submit	234 Select	217 Select
Perl	347 Submit	40 Select	46 Select
C	2130 Submit	201 Select	190 Select
C++	2833 Submit	278 Select	287 Select
C#	1573 Submit	175 Select	185 Select
JavaScript	800 Submit	59 Select	68 Select
Objective-C	22 Submit	2 Select	3 Select
Scala	133 Submit	14 Select	22 Select
Go	136 Submit	14 Select	16 Select
Haskell(Beta)	214 Submit	20 Select	40 Select
CoffeeScript(Beta)	7 Submit	1 Select	1 Select
Bash(Beta)	73 Submit	17 Select	16 Select
Erlang(Beta)	22 Submit	4 Select	4 Select
R(Beta)	31 Submit	1 Select	1 Select
COBOL(Beta)	5 Submit	3 Select	1 Select
VB(Beta)	23 Submit	2 Select	3 Select
F#(Beta)	30 Submit	4 Select	7 Select
Python3	319 Submit	42 Select	39 Select
Clojure(Beta)	71 Submit	7 Select	12 Select
D(Beta)	44 Submit	10 Select	5 Select

（2015/05/20Sum Update）

Rena is my affianced bride? I have to decode this letter!

Input value

Conditions

Expected output

Answer

Code execution result

Code execution result

Extra programming challange

You can choose a girl you like with your code!?

How to play

Event schedule,

Schedule

Prize

Events Terms

Our clients

If you register (login) for paiza, you can download wallpapers!

Graph Sum

Top Select Ratio Title

Language Summary

Archive