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

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

    print(a[-1])

main()