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Problem2191--Multiple of 2 and N （ABC102A）

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Time Limit : 1.000 sec Memory Limit : 128 MB

You are given a positive integer $N$ . Find the minimum positive integer divisible by both $2$ and $N$ .

Input is given from Standard Input in the following format:

$N$

Print the minimum positive integer divisible by both

2

and

N

6

is divisible by both

2

and

3

. Also, there is no positive integer less than

6

that is divisible by both

2

and

3

. Thus, the answer is

6

AtCoder

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