String Task · Interview Problem

Codeforces

118/A

Easy

Strings

String Task

Transform a given string according to specific rules involving lowercase conversion, vowel removal, and character prefixing.

Acceptance 0%

Problem Statement

Core description from the backend problem record.

Given a string, perform the following operations:

Output the resulting string after these transformations.

A single line containing a non-empty string of uppercase and lowercase Latin letters.

Output the transformed string after applying the described operations.

The length of the string is at least 1 and at most 100.

Examples

Sample cases returned by the problem API.

Example 1

Input

Tour

Output

.t.r

Explanation

Convert "Tour" to lowercase: "tour". Remove vowels: 'o' and 'u' are vowels. Remaining: 't' and 'r'. Prefix each with '.': ".t.r".

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