import torch
import torch.nn as nn

# Define a simple neural network model
class SimpleModel(nn.Module):
    def __init__(self):
        super(SimpleModel, self).__init__()
        self.conv1 = nn.Conv2d(3, 16, kernel_size=3, stride=1, padding=1)  # Example Conv layer
        self.fc1 = nn.Linear(16*4*4, 10)  # Flattening the 4D tensor to 2D for a fully connected layer

    def forward(self, x):
        x = self.conv1(x)
        x = torch.relu(x)
        x = x.view(x.size(0), -1)  # Flatten for the fully connected layer
        x = self.fc1(x)
        return x

# Example of creating tensors for input
tensor1 = torch.rand(2, 3, 4, 4)
tensor2 = torch.rand(2, 3, 4, 4)
tensor3 = torch.rand(2, 3, 4, 4)

# Adding tensors
input_tensor = tensor1 + tensor2 + tensor3

# Initialize the model
model = SimpleModel()

# Forward pass through the model
output = model(input_tensor)

print(output)