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