text: from keras.models import Input, Model
  from keras.applications import VGG16
  from keras.layers import Conv2D, MaxPooling2D, Reshape
  
  
  def model():
      model = VGG16(include_top=False, input_shape=(416, 416, 3))
      x = model.output
      x = Conv2D(1, (1, 1), activation='sigmoid')(x)
      output = Reshape((13, 13), name='output')(x)
      model = Model(model.input, output)
      return model
  
  
  if __name__ == '__main__':
      model = model()
      model.summary()
  