Run-Length String Encoding

Given a string `s`, perform run-length encoding on the string. Consecutive repeating characters should be replaced by the character followed by the count of repetitions. For example, `"aabcccccaaa"` becomes `"a2b1c5a3"`. ### Constraints - `0 <= s.length <= 1000` - `s` consists of English letters. ### Input Format A single line containing the string `s`. ### Output Format Print the run-length encoded string.