def forward(self, x):
    x = self.LLF_head(x)
    x = self.LLF_body(x)
    x = self.LLF_tail(x)
    return x
def forward(self, x):
    x = self.LLF_head(x)
    x = self.LLF_body(x)
    x = self.LLF_tail(x)
    return x