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
'''
# Read input from stdin and provide input before running code

name = raw_input('What is your name?\n')
print 'Hi, %s.' % name
'''
import itertools

s=raw_input()
l=[]
for i in range(len(s)):
	l.append(s[i])
	for j in range(i+1,len(s)):
		l.append(s[i:j])
	
	l.append(s[i:])
		


#print(l)
print(len(set(l)))