template struct MLL { ll val; MLL(ll v = 0) : val(mod(v, mdl)) {} MLL operator+(const MLL& rhs) { return mod(val + rhs.val, mdl); } MLL operator-(const MLL& rhs) { return mod(val - rhs.val, mdl); } MLL operator*(const MLL& rhs) { return mod(val * rhs.val, mdl); } MLL operator/(const MLL& rhs) { return mod(val * mod(inverse(rhs.val, mdl), mdl), mdl); } MLL operator%(const MLL& rhs) { return mod(val - (*this / rhs).val, mdl); } void operator+=(const MLL& rhs) { val = (*this + rhs).val; } void operator-=(const MLL& rhs) { val = (*this - rhs).val; } void operator*=(const MLL& rhs) { val = (*this * rhs).val; } void operator/=(const MLL& rhs) { val = (*this / rhs).val; } void operator%=(const MLL& rhs) { val = (*this % rhs).val; } }; template ostream& operator<<(ostream& out, const MLL& num) { return out << num.val; }