#yuki688
import math

def nCr(n,r):
 f=math.factorial
 return f(n)/f(r)/f(n-r)

k=int(raw_input())
for i in xrange(31):
 for j in xrange(2,31-i):
  if (1<<i)*nCr(j,2)==k:
   print i+j
   res='0'*i+'1'*j
   print ' '.join(map(str,res))