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