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