编程题：A positive integer 's parity(正整数的奇偶性判定)

This problem requires reading in a positive integer n ，and then output its parity.

### 输入格式:

Input a positive integer on one line.

### 输出格式:

output its parity.

### Input example 1:

Here is an example of input. for example：

in
5


### Output example 1:

Here give the example of output. for example：

out
5 is an odd number


### Input example 2:

Here is an example of input. for example：

in
12


### Output example 2:

Here give the example of output. for example：

out
12 is an even number






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