Y add 0.86 add sub mul -3.5300000000000002 mul sub mul -4.75 x_4 mul 0.97 x_3 exp add -0.687 mul 8.6 mul x_4 x_2 mul 0.554 cos add -3.35 mul -0.528 x_0 mul -0.042 cos sub mul -3.21 cos add -0.511 mul 0.20500000000000002 x_1 mul 0.17200000000000001 x_0