Company: Walmart_12march
Difficulty: medium
Secret Agent Problem Description As a secret agent working for the CIA, you have intercepted a coded message. The encoded message is a string made up of lowercase alphabets ('a'-'z'). Your job is to decode the message. You can decode the message by first rotating each of the individual characters by the rotation amounts as per their index position. Note that index position starts from 1. Then, rotate each of the individual characters by value 1 is defined as moving 1 positions backwards in the alphabet in a cyclic order. If the character is a vowel, it should not be rotated. Your task is to write a program to decode the given message. Note: String contain only lowercase characters. Input Format There is a single string S consists of lowercase alphabets. Output Format Print a single string representing the decrypted message. Constraints S.Length of S Examples Example 1: Input: aeiou Output: aeiou Explanation: Since all of the characters are vowels no rotation will occur so output is aei