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