text: def check(passw):
  	prev = ''
  	adjacent = False
  	asc = True
  	for char in passw:
  		if prev == '':
  			prev = char
  			continue
  
  		if char == prev:
  			adjacent = True
  		if int(char) < int(prev):
  			asc = False
  		prev = char
  	return adjacent and asc
  
  summ = 0
  for i in range(382345, 843167):
  	if check(str(i)):
  		summ +=1
  print(summ)