atan Pow x5 Add x0 Pow Mul -2 atan x2 Add -5 x3 
Mul Mul Pow x5 Add Add x0 Pow Mul -2 atan x2 Add -5 x3 -1 Mul x5 log x5 Pow Add 1 Mul Pow x5 Add x0 Pow Mul -2 atan x2 Add -5 x3 Pow x5 Add x0 Pow Mul -2 atan x2 Add -5 x3 -1 