public class Neuron
{
    public List<Input> Inputs { get; set; }

    public Output Output { get; set; }

    public double CalculateSigmoida(List<Input> inputs)
    {

        return 0;
    }
}

public class Input
{
    public double Value { get; set; }

    public double Weight { get; set; }
}

public class Output
{
    public double Value { get; set; }
}

public class InputNeuron
{
    public double InputValue { get; set; }

    public double Weight { get; set; }
}