1. You are given a string str of digits. (will never start with a 0)
2. You are required to encode the str as per following rules
   1 -> a
   2 -> b
   3 -> c
   ..
   25 -> y
   26 -> z
3. You are required to calculate and print the count of encodings for the string str.

    For 123 -> there are 3 encodings. abc, aw, lc
    For 993 -> there is 1 encoding. iic
    For 013 -> This is an invalid input. A string starting with 0 will not be passed.
    For 103 -> there is 1 encoding. jc
    For 303 -> there are 0 encodings. But such a string maybe passed. In this case
    print 0.
Input Format
A string str
Output Format
count of encodings
Constraints
0 < str.length <= 10
Sample Input
123
Sample Output
3

Ver todos los episodios