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