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