k1 = 10
k2 = 10
k3 = 10
k4 = 10
k5 = 10
k6 = 10
k7 = 1
k8 = 17/2
k9 = 1
k10 = 1
k11 = 1
k12 = 1
k13 = 0
k14 = 1
k15 = 5
k16 = 1
k17 = 1
k18 = 1
k19 = 1
k20 = 1
k21 = 1