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