Oxygen, Helium, Calcium, Manganese, Nickel, Hydrogen, Chlorine, Titanium, Arsenic, Nitrogen, Beryllium, Cobalt, Neon, Aluminium, Germanium, Fluorine, Iron, Potassium, Silicon, Boron, Carbon, Lithium, Zinc, Sulfur, Vanadium, Chromium, Sodium, Gallium, Copper, Argon, Phosphorus, Scandium. Is "Magnesium" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."