import torch
import torch.nn as nn

class MLBaseModel(nn.Module):
    def __init__(self, input_dim):
        super(MLBaseModel, self).__init__()
        self.fc1 = nn.Linear(input_dim, 256)
        self.fc2 = nn.Linear(256, 128)
        self.fc3 = nn.Linear(128, 64)
        self.fc4 = nn.Linear(64, 2)  # Output 2 values: sale_price and days_on_market

    def forward(self, x):
        x = torch.relu(self.fc1(x))
        x = torch.relu(self.fc2(x))
        x = torch.relu(self.fc3(x))
        x = self.fc4(x)
        return x