k1 = 1; k2 = 1; k3 = 1; k4 = 4100; k5 = 5; k6 = 1/20; k7 = 20; k8 = 125; k9 = 5; k10 = 1/160; k11 = 300; k12 = 4/5; k13 = 1/100; k14 = 1/10; k15 = 429/80; k16 = 19/100; k17 = 29/400; k18 = 120;