URL Identifier Generation

Little R, a cute girl, wants to connect with the problem setters by writing solutions (explanations) for problems. When she clicks the "Submit Solution" button, a URL identifier is automatically generated for the blog post. The identifier is generated by applying the following steps on the given problem number:

• Convert all uppercase letters to lowercase.
• Replace all underscores (_) with hyphens (-).
• Prepend the string solution- to the result.

Given a problem number as input, your task is to output the URL identifier following the above rules.

inputFormat

The input consists of a single line containing a non-empty string representing the problem number. This string may include uppercase letters, lowercase letters, digits, and underscores.

outputFormat

Output the URL identifier generated by applying the following transformation:

• Convert uppercase letters to lowercase.
• Replace underscores (_) with hyphens (-).
• Prepend solution- to the modified string.

sample

ABC_DEF

solution-abc-def