list=[0]
n=int(input())
for i in range(n):
    list.append(1)
    for i in range(2,n+1):
        for j in range(i ,n+1,i):
            if i%j==0:
                list[j]=1
            else:
                list[j]=0
                for i in range(1,n+1):
                    if list[i]==0:
                        print (i,end=" ")