






'''simple docstring'''




from __future__ import annotations

from typing import Any

def 					__lowercase						(			__lowercase       )       ->						int:

      '''simple docstring'''


      if not postfix_notation:
            return 0

      _A			     =	{"+", "-", "*", "/"}
      _A			     =	[]

      for token in postfix_notation:
            if token in operations:
                  _A     ,	_A			     =	stack.pop(), stack.pop()
                  if token == "+":
                        stack.append(a + b       )
                  elif token == "-":
                        stack.append(a - b       )
                  elif token == "*":
                        stack.append(a * b       )
                  else:
                        if a * b < 0 and a % b != 0:
                              stack.append(a // b + 1       )
                        else:
                              stack.append(a // b       )
            else:
                  stack.append(int(__lowercase       )       )

      return stack.pop()


if __name__ == "__main__":
    import doctest

    doctest.testmod()











"""simple docstring"""




import operator as op


lowerCAmelCase							:			Dict     							=							"""scaler.pt"""
lowerCAmelCase							:			Tuple     							=							"""pytorch_model"""
lowerCAmelCase							:			Union[str, Any]     							=							"""random_states"""
lowerCAmelCase							:			Union[str, Any]     							=							"""optimizer"""
lowerCAmelCase							:			Dict     							=							"""scheduler"""
lowerCAmelCase							:			int     							=							"""pytorch_model.bin"""
lowerCAmelCase							:			str     							=							"""pytorch_model.bin.index.json"""
lowerCAmelCase							:			Union[str, Any]     							=							"""model.safetensors"""
lowerCAmelCase							:			List[Any]     							=							"""model.safetensors.index.json"""
lowerCAmelCase							:			List[Any]     							=							"""1.10.2"""
lowerCAmelCase							:			Any     							=							"""py38"""
lowerCAmelCase							:			Optional[int]     							=							"""4.17.0"""
lowerCAmelCase							:			str     							=							["""ml.p3.16xlarge""", """ml.p3dn.24xlarge""", """ml.p4dn.24xlarge"""]
lowerCAmelCase							:			Tuple     							=							["""FULL_SHARD""", """SHARD_GRAD_OP""", """NO_SHARD""", """HYBRID_SHARD""", """HYBRID_SHARD_ZERO2"""]
lowerCAmelCase							:			List[Any]     							=							["""TRANSFORMER_BASED_WRAP""", """SIZE_BASED_WRAP""", """NO_WRAP"""]
lowerCAmelCase							:			List[str]     							=							["""BACKWARD_PRE""", """BACKWARD_POST""", """NO_PREFETCH"""]
lowerCAmelCase							:			List[str]     							=							["""FULL_STATE_DICT""", """LOCAL_STATE_DICT""", """SHARDED_STATE_DICT"""]
lowerCAmelCase							:			Any     							=							"""2.0.1"""
lowerCAmelCase							:			List[Any]     							=							["""pdsh""", """standard""", """openmpi""", """mvapich"""]
lowerCAmelCase							:			Union[str, Any]     							=							["""default""", """reduce-overhead""", """max-autotune"""]

lowerCAmelCase							:			Optional[int]     							=							{""">""": op.gt, """>=""": op.ge, """==""": op.eq, """!=""": op.ne, """<=""": op.le, """<""": op.lt}

# These are the args for `torch.distributed.launch` for pytorch < 1.9
lowerCAmelCase							:			Union[str, Any]     							=							[
    """nnodes""",
    """nproc_per_node""",
    """rdzv_backend""",
    """rdzv_endpoint""",
    """rdzv_id""",
    """rdzv_conf""",
    """standalone""",
    """max_restarts""",
    """monitor_interval""",
    """start_method""",
    """role""",
    """module""",
    """m""",
    """no_python""",
    """run_path""",
    """log_dir""",
    """r""",
    """redirects""",
    """t""",
    """tee""",
    """node_rank""",
    """master_addr""",
    """master_port""",
]

lowerCAmelCase							:			List[str]     							=							["""DEEPSPEED""", """MULTI_GPU""", """FSDP""", """MEGATRON_LM"""]
lowerCAmelCase							:			Optional[Any]     							=							["""DEEPSPEED""", """MULTI_XPU""", """FSDP"""]



