#ifndef CLASS_MODINT #define CLASS_MODINT #include template class modint { private: std::uint32_t n; public: modint() : n(0) {}; modint(std::int64_t n_) : n((n_ >= 0 ? n_ : mod - (-n_) % mod) % mod) {}; static constexpr std::uint32_t get_mod() { return mod; } std::uint32_t get() const { return n; } bool operator==(const modint& m) const { return n == m.n; } bool operator!=(const modint& m) const { return n != m.n; } modint& operator+=(const modint& m) { n += m.n; n = (n < mod ? n : n - mod); return *this; } modint& operator-=(const modint& m) { n += mod - m.n; n = (n < mod ? n : n - mod); return *this; } modint& operator*=(const modint& m) { n = std::uint64_t(n) * m.n % mod; return *this; } modint operator+(const modint& m) const { return modint(*this) += m; } modint operator-(const modint& m) const { return modint(*this) -= m; } modint operator*(const modint& m) const { return modint(*this) *= m; } modint inv() const { return (*this).pow(mod - 2); } modint pow(std::uint64_t b) const { modint ans = 1, m = modint(*this); while (b) { if (b & 1) ans *= m; m *= m; b >>= 1; } return ans; } }; #endif // CLASS_MODINT #include using namespace std; using mint = modint<1000000007>; pair mul(pair v1, pair v2, mint d) { return make_pair(v1.first * v2.first + v1.second * v2.second * d, v1.second * v2.first + v1.first * v2.second); } pair pow(pair v, mint d, long long n) { pair ans = make_pair(mint(1), mint(0)); while (n > 0) { if (n & 1) ans = mul(ans, v, d); v = mul(v, v, d); n >>= 1; } return ans; } int main() { int P, Q; cin >> P >> Q; mint d = mint(P) * mint(P) + mint(4); mint dinv = d.inv(); pair alpha = make_pair(mint(2).inv() * mint(P), mint(2).inv()); pair beta = make_pair(mint(2).inv() * mint(P), mint(-2).inv()); pair diff = make_pair(alpha.first - beta.first, alpha.second - beta.second); mint g = diff.first * diff.first - diff.second * diff.second * d; pair coeff = make_pair(diff.first * g.inv(), mint(-1) * diff.second * g.inv()); coeff.first *= 2; coeff.second *= 2; for (int i = 0; i < Q; ++i) { long long X; cin >> X; X -= 2; pair palpha = pow(alpha, d, X); pair pbeta = pow(beta, d, X); pair plus = make_pair((palpha.first + pbeta.first) * (X + 1), (palpha.second + pbeta.second) * (X + 1)); palpha = mul(palpha, alpha, d); pbeta = mul(pbeta, beta, d); pair minus = make_pair(palpha.first - pbeta.first, palpha.second - pbeta.second); minus = mul(minus, coeff, d); pair ans = make_pair(plus.first - minus.first, plus.second - minus.second); cout << (ans.first * dinv).get() << '\n'; } return 0; }