Bittipeli

#!/usr/bin/python3
a=input()
#print(a)
import sys
#a=sys.argv[1]
sys.setrecursionlimit(1000000)
#a='10010110110110100101010101010100110'
#a='1000011011'
def parse(a):
	h=['0']
	for i in range(1,len(a)):
		if a[i]==a[i-1]:
			if h[-1]=='0':
				h[-1]='1'
		else:
			h.append('0')
	#h=''.join(map(str,h))
	return h

a=parse(a)

def remove(a,n):
	#print(a)
	#print(n)
	if a.count('1')==0:
		if a==[]:
			return
		print('QAQ')
		exit()
	#print(n)
	#print(a)
	index=0
	k=0
	for i in range(0,len(a)):
		if a[i]=='1':
			k+=1
			#print('k:'+str(k))
			if k==n:
				index=i
				break
	if index==0 or index==len(a)-1:
		a.pop(index)
		return
	a[index-1]='1'
	a.pop(index)
	a.pop(index)


def recurse(a,history):
	for i in range(1,a.count('1')):
		#print(a)
		a2=list(a)
		remove(a2,i)
		#print(count2)
		history2=list(history)
		#print(i)
		history2.append(i)
		if a2 == []:
			#print(len(history2))
			#print(' '.join(map(str,history2)))
			#print('OK')
			exit()
		else:
			recurse(a2,history2)

	
	
def solve(a,history):
	#print('looking for 000')
	while 1:
		h=''.join(a).find('000')
		if not h<1:
			h=a[:h].count('1')
			remove(a,h)
			history.append(h)
		elif h==0:
			remove(a,1)
			history.append(1)
		else:
			break
	#print('looking for 00')
	while 1:
		h=''.join(a).find('00')
		if not h==-1:
			h=a[:h].count('1')+1
			if h==0:
				h=1
			elif h>a.count('1'):
				h=a.count('1')
			remove(a,h)
			history.append(h)
		else:
			break
	#print('looking for 010')
	while 1:
		h=''.join(a).find('010')
		if not h==-1:
			h=a[:h].count('1')+1
			remove(a,h)
			history.append(h)
		else:
			if h==0:
				remove(a,1)
				history.append(1)
			break
	#print('looking for 10')
	while 1:
		h=''.join(a).find('10')
		if not h==-1 and not h==0:
			h=a[:h].count('1')+1
			remove(a,h)
			history.append(h)
		else:
			if h==0:
				remove(a,2)
				history.append(2)
			else:
				break
	#print('looking for 01')
	while 1:
		h=''.join(a).find('01')
		if not h==-1 and not h==a.count('1'):
			h=a[:h].count('1')+1
			remove(a,h)
			history.append(h)
		else:
			if h==a.count(1):
				remove(a,h-1)
				history.append(h-1)
			else:
				break

	#print('looking for 1')
	while 1:
		remove(a,1)
		history.append(1)
		if a==[]:
			break
	#recurse(a,history)

	return a, history

a,history=solve(a,[])

print(len(history))
print(' '.join(map(str,history)))
#print('OK')

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 1

Verdict: ACCEPTED

Test 7

Group: 1

Verdict: ACCEPTED

Test 8

Group: 1

Verdict: ACCEPTED

Test 9

Group: 1

Verdict: ACCEPTED

Test 10

Group: 1

Verdict: ACCEPTED

Test 11

Group: 1

Verdict: ACCEPTED

Test 12

Group: 1

Verdict: ACCEPTED

Test 13

Group: 1

Verdict: ACCEPTED

Test 14

Group: 1

Verdict: ACCEPTED

Test 15

Group: 1

Verdict: ACCEPTED

Test 16

Group: 1

Verdict: ACCEPTED

Test 17

Group: 1

Verdict: ACCEPTED

Test 18

Group: 1

Verdict: ACCEPTED

Test 19

Group: 1

Verdict: ACCEPTED

Test 20

Group: 1

Verdict: ACCEPTED

Test 21

Group: 2

Verdict: ACCEPTED

Test 22

Group: 2

Verdict: ACCEPTED

Test 23

Group: 2

Verdict: ACCEPTED

Test 24

Group: 2

Verdict: ACCEPTED

Test 25

Group: 2

Verdict: ACCEPTED

Test 26

Group: 2

Verdict: ACCEPTED

Test 27

Group: 2

Verdict: ACCEPTED

Test 28

Group: 2

Verdict: ACCEPTED

Test 29

Group: 2

Verdict: ACCEPTED

Test 30

Group: 2

Verdict: ACCEPTED

Test 31

Group: 2

Verdict: ACCEPTED

Test 32

Group: 2

Verdict: ACCEPTED

Test 33

Group: 2

Verdict: ACCEPTED

Test 34

Group: 2

Verdict: ACCEPTED

Test 35

Group: 2

Verdict: ACCEPTED

Test 36

Group: 2

Verdict: ACCEPTED

Test 37

Group: 2

Verdict: ACCEPTED

Test 38

Group: 2

Verdict: ACCEPTED

Test 39

Group: 2

Verdict: WRONG ANSWER

Test 40

Group: 2

Verdict: ACCEPTED

Test 41

Group: 3

Verdict: ACCEPTED

Test 42

Group: 3

Verdict: ACCEPTED

Test 43

Group: 3

Verdict: ACCEPTED

Test 44

Group: 3

Verdict: ACCEPTED

Test 45

Group: 3

Verdict: ACCEPTED

Test 46

Group: 3

Verdict: ACCEPTED

Test 47

Group: 3

Verdict: ACCEPTED

Test 48

Group: 3

Verdict: ACCEPTED

Test 49

Group: 3

Verdict: ACCEPTED

Test 50

Group: 3

Verdict: ACCEPTED

Test 51

Group: 3

Verdict: ACCEPTED

Test 52

Group: 3

Verdict: ACCEPTED

Test 53

Group: 3

Verdict: ACCEPTED

Test 54

Group: 3

Verdict: ACCEPTED

Test 55

Group: 3

Verdict: ACCEPTED

Test 56

Group: 3

Verdict: ACCEPTED

Test 57

Group: 3

Verdict: ACCEPTED

Test 58

Group: 3

Verdict: ACCEPTED

Test 59

Group: 3

Verdict: WRONG ANSWER

Test 60

Group: 3

Verdict: ACCEPTED

Test 61

Group: 4

Verdict: ACCEPTED

Test 62

Group: 4

Verdict: ACCEPTED

Test 63

Group: 4

Verdict: ACCEPTED

Test 64

Group: 4

Verdict: ACCEPTED

Test 65

Group: 4

Verdict: ACCEPTED

Test 66

Group: 4

Verdict: ACCEPTED

Test 67

Group: 4

Verdict: ACCEPTED

Test 68

Group: 4

Verdict: ACCEPTED

Test 69

Group: 4

Verdict: ACCEPTED

Test 70

Group: 4

Verdict: ACCEPTED

Test 71

Group: 4

Verdict: ACCEPTED

Test 72

Group: 4

Verdict: ACCEPTED

Test 73

Group: 4

Verdict: ACCEPTED

Test 74

Group: 4

Verdict: ACCEPTED

Test 75

Group: 4

Verdict: ACCEPTED

Test 76

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 77

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 78

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 79

Group: 4

Verdict: TIME LIMIT EXCEEDED

Test 80

Group: 4

Verdict: TIME LIMIT EXCEEDED