Given is a string S. Replace every character in S with x and print the result.

-----Constraints-----
- S is a string consisting of lowercase English letters.
- The length of S is between 1 and 100 (inclusive).

-----Input-----
Input is given from Standard Input in the following format:
S

-----Output-----
Replace every character in S with x and print the result.

-----Sample Input-----
sardine

-----Sample Output-----
xxxxxxx

Replacing every character in S with x results in xxxxxxx.

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