Reverse String

You are given a single string s consisting of uppercase letters. Your task is to output the reverse of s. The input is read from STDIN and the output should be written to STDOUT.

Example:

• If the input is HELLO, the output should be OLLEH.

Implement your solution accordingly and ensure that it works for various test cases including edge cases.

inputFormat

A single line containing the string whose reverse is to be computed. The string comprises only uppercase letters.

outputFormat

A single line containing the reversed string.## sample

HELLO

OLLEH