#!/usr/bin/env python3
mod = 10 ** 9 + 7
n = int(input())
acc = [ 1, 0 ]
for i in range(2, n):
    acc[1 - i % 2] += i * acc[i % 2]
    acc[1 - i % 2] %= mod
print(n * acc[n % 2] % mod)