"""simple docstring"""







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


_SCREAMING_SNAKE_CASE	:		Union[str, Any]   =   {
    '''configuration_prophetnet''': ['''PROPHETNET_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''ProphetNetConfig'''],
    '''tokenization_prophetnet''': ['''ProphetNetTokenizer'''],
}

try:
     if not is_torch_available():
          raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
     pass
else:
     _SCREAMING_SNAKE_CASE	:		List[Any]   =   [
         '''PROPHETNET_PRETRAINED_MODEL_ARCHIVE_LIST''',
         '''ProphetNetDecoder''',
         '''ProphetNetEncoder''',
         '''ProphetNetForCausalLM''',
         '''ProphetNetForConditionalGeneration''',
         '''ProphetNetModel''',
         '''ProphetNetPreTrainedModel''',
     ]


if TYPE_CHECKING:
     from .configuration_prophetnet import PROPHETNET_PRETRAINED_CONFIG_ARCHIVE_MAP, ProphetNetConfig
     from .tokenization_prophetnet import ProphetNetTokenizer

     try:
          if not is_torch_available():
               raise OptionalDependencyNotAvailable()
     except OptionalDependencyNotAvailable:
          pass
     else:
          from .modeling_prophetnet import (
              PROPHETNET_PRETRAINED_MODEL_ARCHIVE_LIST,
              ProphetNetDecoder,
              ProphetNetEncoder,
              ProphetNetForCausalLM,
              ProphetNetForConditionalGeneration,
              ProphetNetModel,
              ProphetNetPreTrainedModel,
          )

else:
     import sys

     _SCREAMING_SNAKE_CASE	:		Dict   =   _LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)







"""simple docstring"""







from collections import Counter



def       A__    (	lowercase_     :	list[int]						)  ->							int:
   return sum(socks_by_color // 2 for socks_by_color in Counter(lowercase_						).values()						)


if __name__ == "__main__":
     import doctest

     doctest.testmod()

     _SCREAMING_SNAKE_CASE	:		int   =   [int(x) for x in input('''Enter socks by color :''').rstrip().split()]
     print(F"sock_merchant({colors}) = {sock_merchant(colors)}")






