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
'''
string = raw_input()
length = len(string)
s = set()
for l in range(1, length+1):
    for i in range(length - l + 1):
        j = i + l - 1
        s.add(string[i:j+1])
print len(s)