Problem: You are given a string S. Find the number of different substrings in S.

Input
One line containing a string S consisting of lowercase Latin letters.

Output
Output one integer - answer to the question.

Constraints
1 ≤ length of S ≤ 1200

SAMPLE INPUT
abc

SAMPLE OUTPUT
6

Solution (in PYTHON):

Solution:
s = raw_input()
se = set()
for i in range(len(s)+1):
	for j in range(i+1,len(s)+1):
		se.add(s[i:j])
print(len(se))