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.

Examples

Input

sardine

Output

xxxxxxx

Input

xxxx

Output

xxxx

Input

gone

Output

xxxx

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