# Author: Steven Carr
# Last Edited: December 2021
# Counts the amount of bits in the given input
import stdio
import sys


# Entry point. [DO NOT EDIT].
def main():
    s = sys.argv[1]
    stdio.writef('zeros = %d, ones = %d, total = %d\n', _zeros(s), _ones(s), len(s))


# Return the number of zeros in s.
def _zeros(s):
    # Base case: if s is the empty string, return 0.
    if len(s) == 0:
        return 0

    # Recursive step: if the first character in s is 0, return 1 + _zeros(rest of s). Otherwise,
    # return _zeros(rest of s).
    elif s[0] == str(0):
        return 1 + _zeros(s[1:])
    else:
        return _zeros(s[1:])


# Return the number of ones in s.
def _ones(s):
    # Base case: if s is the empty string, return 0.
    if len(s) == 0:
        return 0
    # Recursive step: if the first character in s is 1, return 1 + _ones(rest of s). Otherwise,
    # return _ones(rest of s).
    elif s[0] == str(1):
        return 1 + _ones(s[1:])
    else:
        return _ones(s[1:])


if __name__ == '__main__':
    main()