n = int(input())
ans = [1]*n
ans[0] = 3

if sum(ans) % 3 == 0:
    ans[n-1] = 2
elif sum(ans) % 3 == 1:
    ans[n-1] = 1
elif sum(ans) % 3 == 2:
    ans[n-1] = 3

print(*ans)