n=int(input())
res=list(range(n+1))
for i in range(2,int(n**0.5)+10):
  tmp=i*i
  while tmp<=n:
    while res[tmp]%(i*i)==0:
      res[tmp]//=i*i
    tmp+=i*i
g=[[] for i in range(n+1)]
for i in range(1,n+1):
  g[res[i]].append(i)

ans=[]
for i in range(1,n+1):
  ans.append(g[res[i]].pop())

print(*ans)