import torch
import torch.nn as nn


class Encoder(nn.Module):
    def __init__(self, input_size, hidden_size, output_size):
        super(Encoder, self).__init__()

    def forward(self, x: torch.Tensor) -> torch.Tensor:
        pass


class Decoder(nn.Module):
    def __init__(self):
        super(Decoder, self).__init__()

    def forward(self, x: torch.Tensor) -> torch.Tensor:
        pass