An airplane is flying at an airspeed of 350 km/hr in a wind blowing at 70 km/hr toward the southeast. In what direction should the plane head to end

An airplane is flying at an airspeed of 350 km/hr in a wind blowing at 70 km/hr toward the southeast.In what direction should the plane head to end up going due east? What is the airplane’s speed relative to the ground?