def main():
    N = int(input())

    a = [0] * N
    a[0] = 1
    i = 0
    for n in range(1, N):
        if n % 2:
            a[n] += sum(a[0::2]) * (n + 1)
        else:
            a[n] += sum(a[1::2]) * (n + 1)
    ans = a[-1] % 1000000007
    print(ans)

main()