from enum import Enum, auto


class ProtonMaterials(Enum):
    HYDROGEN = auto()
    HELIUM = auto()
    BERYLLIUM = auto()
    AMORPHOUS_CARBON = auto()
    NITROGEN = auto()
    OXYGEN = auto()
    NEON = auto()
    ALUMINUM = auto()
    SILICON = auto()
    ARGON = auto()
    TITANIUM = auto()
    IRON = auto()
    COPPER = auto()
    GERMANIUM = auto()
    KRYPTON = auto()
    MOLYBDENUM = auto()
    SILVER = auto()
    TIN = auto()
    XENON = auto()
    GADOLINIUM = auto()
    TUNGSTEN = auto()
    PLATINUM = auto()
    GOLD = auto()
    LEAD = auto()
    URANIUM = auto()
    A_150_TISSUE_EQUIVALENT_PLASTIC = auto()
    ACETYLENE = auto()
    ADIPOSE_TISSUE_ICRP = auto()
    AIR_DRY_NEAR_SEA_LEVEL = auto()
    ALUMINUM_OXIDE = auto()
    B_100_BONE_EQUIVALENT_PLASTIC = auto()
    BONE_COMPACT_ICRU = auto()
    BONE_CORTICAL_ICRP = auto()
    C_552_AIR_EQUIVALENT_PLASTIC = auto()
    CALCIUM_FLUORIDE = auto()
    CARBON_DIOXIDE = auto()
    CELLULOSE_NITRATE = auto()
    CERIC_SULFATE_DOSIMETER_SOLUTION = auto()
    CESIUM_IODIDE = auto()
    ETHYLENE = auto()
    FERROUS_SULFATE_DOSIMETER_SOLUTION = auto()
    Pyrex_Glass = auto()
    KAPTON_POLYIMIDE_FILM = auto()
    LITHIUM_FLUORIDE = auto()
    LITHIUM_TETRABORATE = auto()
    M3_WAX = auto()
    METHANE = auto()
    MS20_TISSUE_SUBSTITUTE = auto()
    MUSCLE_SKELETAL_ICRP = auto()
    MUSCLE_STRIATED_ICRU = auto()
    MUSCLE_EQUIVALENT_LIQUID_WITH_SUCROSE = auto()
    MUSCLE_EQUIVALENT_LIQUID_WITHOUT_SUCROSE = auto()
    NYLON_TYPE_6_AND_TYPE_6_6 = auto()
    PARAFFIN_WAX = auto()
    PHOTOGRAPHIC_EMULSION = auto()
    PLASTIC_SCINTILLATOR_VINYLTOLUENE_BASED = auto()
    POLYCARBONATEMAKROLON_LEXAN = auto()
    POLYETHYLENE = auto()
    POLYETHYLENE_TEREPHTHALATE_MYLAR = auto()
    POLYMETHYL_METHACRALATE_LUCITE_PERSPEX = auto()
    POLYPROPYLENE = auto()
    POLYSTYRENE = auto()
    POLYTETRAFLUOROETHYLENE_TEFLON = auto()
    POLYVINYL_CHLORIDE = auto()
    PROPANE = auto()
    SILICON_DIOXIDE = auto()
    SODIUM_IODIDE = auto()
    STILBENE = auto()
    TISSUE_EQUIVALENT_GAS_METHANE_BASED = auto()
    TISSUE_EQUIVALENT_GAS_PROPANE_BASED = auto()
    TOLUENE = auto()
    WATER_LIQUID = auto()
    WATER_VAPOR = auto()
    GRAPHITE = auto()
from enum import Enum, auto


class ProtonMaterials(Enum):
    HYDROGEN = auto()
    HELIUM = auto()
    BERYLLIUM = auto()
    AMORPHOUS_CARBON = auto()
    NITROGEN = auto()
    OXYGEN = auto()
    NEON = auto()
    ALUMINUM = auto()
    SILICON = auto()
    ARGON = auto()
    TITANIUM = auto()
    IRON = auto()
    COPPER = auto()
    GERMANIUM = auto()
    KRYPTON = auto()
    MOLYBDENUM = auto()
    SILVER = auto()
    TIN = auto()
    XENON = auto()
    GADOLINIUM = auto()
    TUNGSTEN = auto()
    PLATINUM = auto()
    GOLD = auto()
    LEAD = auto()
    URANIUM = auto()
    A_150_TISSUE_EQUIVALENT_PLASTIC = auto()
    ACETYLENE = auto()
    ADIPOSE_TISSUE_ICRP = auto()
    AIR_DRY_NEAR_SEA_LEVEL = auto()
    ALUMINUM_OXIDE = auto()
    B_100_BONE_EQUIVALENT_PLASTIC = auto()
    BONE_COMPACT_ICRU = auto()
    BONE_CORTICAL_ICRP = auto()
    C_552_AIR_EQUIVALENT_PLASTIC = auto()
    CALCIUM_FLUORIDE = auto()
    CARBON_DIOXIDE = auto()
    CELLULOSE_NITRATE = auto()
    CERIC_SULFATE_DOSIMETER_SOLUTION = auto()
    CESIUM_IODIDE = auto()
    ETHYLENE = auto()
    FERROUS_SULFATE_DOSIMETER_SOLUTION = auto()
    Pyrex_Glass = auto()
    KAPTON_POLYIMIDE_FILM = auto()
    LITHIUM_FLUORIDE = auto()
    LITHIUM_TETRABORATE = auto()
    M3_WAX = auto()
    METHANE = auto()
    MS20_TISSUE_SUBSTITUTE = auto()
    MUSCLE_SKELETAL_ICRP = auto()
    MUSCLE_STRIATED_ICRU = auto()
    MUSCLE_EQUIVALENT_LIQUID_WITH_SUCROSE = auto()
    MUSCLE_EQUIVALENT_LIQUID_WITHOUT_SUCROSE = auto()
    NYLON_TYPE_6_AND_TYPE_6_6 = auto()
    PARAFFIN_WAX = auto()
    PHOTOGRAPHIC_EMULSION = auto()
    PLASTIC_SCINTILLATOR_VINYLTOLUENE_BASED = auto()
    POLYCARBONATEMAKROLON_LEXAN = auto()
    POLYETHYLENE = auto()
    POLYETHYLENE_TEREPHTHALATE_MYLAR = auto()
    POLYMETHYL_METHACRALATE_LUCITE_PERSPEX = auto()
    POLYPROPYLENE = auto()
    POLYSTYRENE = auto()
    POLYTETRAFLUOROETHYLENE_TEFLON = auto()
    POLYVINYL_CHLORIDE = auto()
    PROPANE = auto()
    SILICON_DIOXIDE = auto()
    SODIUM_IODIDE = auto()
    STILBENE = auto()
    TISSUE_EQUIVALENT_GAS_METHANE_BASED = auto()
    TISSUE_EQUIVALENT_GAS_PROPANE_BASED = auto()
    TOLUENE = auto()
    WATER_LIQUID = auto()
    WATER_VAPOR = auto()
    GRAPHITE = auto()