def forward(self, x):
    residual = x
    main = self.relu(self.conv1_bn(self.conv1(x)))
    main = self.relu(self.conv2_bn(self.conv2(main)))
    main = self.conv4_bn(self.conv4(main))
    main = self.regul(main)
    out = self.relu(torch.add(main, residual))
    return out
def forward(self, x):
    residual = x
    main = self.relu(self.conv1_bn(self.conv1(x)))
    main = self.relu(self.conv2_bn(self.conv2(main)))
    main = self.conv4_bn(self.conv4(main))
    main = self.regul(main)
    out = self.relu(torch.add(main, residual))
    return out