tanh Pow x3 Pow x4 Add x0 74.2099485247878 
Mul Pow sech Pow x3 Pow x4 Add x0 74.2099485247878 2 Mul Pow x3 Add Pow x4 Add x0 74.2099485247878 -1 Mul Mul x3 log x3 Mul Pow x4 Add Add x0 74.2099485247878 -1 Mul x4 log x4 