#pragma GCC optimize "O3" #pragma GCC target "avx" #include using ll = long long; constexpr int mod = 1e9+7; int fact(int n) { ll x[8]; for (int j = 0; j < 8; ++ j) { x[j] = 1; } for (ll i = 0; i+7 < n; i += 8) { x[0] = x[0] * (i+1) % mod; x[1] = x[1] * (i+2) % mod; x[2] = x[2] * (i+3) % mod; x[3] = x[3] * (i+4) % mod; x[4] = x[4] * (i+5) % mod; x[5] = x[5] * (i+6) % mod; x[6] = x[6] * (i+7) % mod; x[7] = x[7] * (i+8) % mod; } int y = 1; for (int j = 0; j < 8; ++ j) { y = y *(ll) x[j] % mod; } for (int i = n / 8 * 8; i < n; ++ i) { y = y *(ll) (i+1) % mod; } return y; } int main(int i) { ll n; scanf("%lld",&n); printf("%d\n", n >= mod ? 0 : fact(n)); return 0; }