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