Y add c mul x2 mul pow add c mul pow abs x2 c mul pow abs add x4 mul x4 add x4 x5 c abs x5 c mul pow add x4 mul x4 add x4 x5 c mul pow abs x2 c mul add c add x5 mul c x4 mul abs x5 sign add x4 mul x4 add x4 x5