N = int(input())

ans = [3,4]
i = 7
count = 0
while count < N-1:
  ans.append(i-1)
  ans.append(i)
  ans.append(i+1)
  count += 1
  i += 3
ans.sort()
if N%2 == 0:
  print(*ans[:N-1],ans[N+1])
else:
  print(*ans[:N])