def main():
    N = int(input())
    for i in range((N+N%3),312454,3):
        if i %3 ==1 and i >= (N-1):
            ans = [i]
            ans[0] -= N-2
            ans +=[1]*(N-2)
            ans.append(3)
            print((' ').join(map(str,ans)))
            return None
main()