#!/usr/bin/env python3
mod = 10 ** 9 + 7
n = int(input())
a = [ None ] * (n + 1)
a[0] = 0
a[1] = 1
acc = [ 0, 1 ]
for i in range(2, n + 1):
    a[i] = i * acc[1 - i % 2] % mod
    acc[i % 2] += a[i]
print(a[n])