Aliens successfully invaded our earth. They fully converted the world according to their convience This became serious problem to man kind. They also captured you and they assigned a task which you need to complete in time or else they warned to destroy our planet

Task: They will give a city name and you need to decrypt its catagory(a number) some examples are given here:
HYDERBAD------->7
WARANGAL------->4
BANGALORE------>6
MUMBAI--------->3
BHOPAL--------->5
DELHI---------->1
KANPUR--------->3
GALIWOR-------->3

CLUE: you need to time travel :P

Input:
The first and only line of input contains the String S. The String shall consist of uppercase English alphabets only.

Ouput:
Print the answer in a single line

Constraints
1≤|S|≤100