Answer to Question #310176 in Python for Mukul

Question

Repeated Numbers

Eren wants to decode a number.After lots of trial and error, he finally figured out that the number is a count of repeated single-digit integers.

Write a program to help Eren print the decoded number given a string of integers N.

Input

The first line contains a string of integers N.

Output

The output contains a single integer representing count of repeated numbers in the input.

Explanation

For N = 212311 ,

1 and 2 are repeated.Therefore, the output is 2.

Sample Input1

212311

Sample Output1

2

Sample Input2

111

Sample Output2

1

Answer 1

N = input()
digits = [0]*10

for ch in N:
    d = int(ch)
    digits[d] += 1


cnt = 0
for d in digits:
    if d > 1:
        cnt += 1
print(cnt)