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