#B   
n=int(input())
if n==1:
    print(-1)
elif n==2:
    print(2)
if n%2==0:
    n-=1
a=int(n/2)
s=[]
for i in range(a):
    c=2*i
    s.append(c)
s=[str(p) for p in s]
s=' '.join(s)
t = s.replace(' ', '')
print(t)