Sodium, Cerium, Helium, Phosphorus, Argon, Yttrium, Boron, Selenium, Zinc, Gallium, Lithium, Bromine, Arsenic, Calcium, Iodine, Titanium, Xenon, Zirconium, Silicon, Niobium, Lanthanum, Manganese, Copper, Nitrogen, Praseodymium, Gadolinium, Rubidium, Technetium, Nickel, Hydrogen, Neodymium, Ruthenium, Cobalt, Palladium, Rhodium, Samarium, Tellurium, Molybdenum, Cadmium, Chlorine, Indium, Potassium, Antimony, Barium, Neon, Chromium, Tin, Carbon, Caesium, Strontium, Krypton, Sulfur, Promethium, Vanadium, Europium, Germanium, Magnesium, Oxygen, Beryllium, Fluorine, Scandium, Terbium, Iron, Aluminium. Is "Lanthanum" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."