Nickel, Potassium, Helium, Titanium, Vanadium, Lithium, Hydrogen, Scandium, Aluminium, Sulfur, Iron, Phosphorus, Argon, Oxygen, Chromium, Nitrogen, Magnesium, Boron, Germanium, Beryllium, Zinc, Arsenic, Copper, Gallium, Calcium, Chlorine, Fluorine, Silicon, Cobalt, Sodium, Neon, Manganese. Is "Hydrogen" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."