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