MOD = 10**9 + 7

n = int(input())

max_n = n
fact = [1] * (max_n + 1)
for i in range(1, max_n + 1):
    fact[i] = fact[i-1] * i % MOD

double_fact = [1] * (max_n + 1)
for i in range(1, max_n + 1):
    double_fact[i] = double_fact[i-1] * (2 * i - 1) % MOD

ans = fact[n] * fact[n] % MOD
ans = ans * double_fact[n] % MOD

print(ans)