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
'''
'''print 'Hello World!'''
st=raw_input()
lis=[]
for i in range(0,len(st)+1):
	for j in range(i+1,len(st)+1):
		lis.append(st[i:j])
	
l=set(lis)	
print(len(l))