Problem Description

A string $ W $ consisting of lowercase English letters is given as input.
Output the string obtained by appending the lowercase letter s to the end of $ W $.

Input Format

The input is given from the standard input in the following format:

$ W $

• The first line contains a string $ W $ consisting of lowercase English letters ($ 1 $ $ ≦ $ $ |W| $ $ ≦ $ $ 10 $, where $ |W| $ represents the length of $ W $).

Output Format

Output to the standard output the string obtained by appending the lowercase letter s to the end of $ W $, followed by a newline.
Do not output any extra spaces or characters. Uppercase and lowercase letters are distinguished.

Sample Input and Output

Sample Input #1

dog

Sample Output #1

dogs

Sample Input #2

chokudai

Sample Output #2

chokudais

Notes/Hints

None

见题面 Input 部分

见题面 Output 部分