k1 = 1; k2 = 1; k3 = 10; k4 = 1; k5 = 10; k6 = 1; k7 = 50; k8 = 1; k9 = 10; k10 = 1; k11 = 1; k12 = 1; k13 = 1; k14 = 10; k15 = 0; k16 = 0; k17 = 1; k18 = 1; k19 = 1; k20 = 0; k21 = 5;