k1 = 1;
k2 = 2;
k3 = 1;
k4 = 1;
k5 = 1/5;
k6 = 1;
k7 = 50;
k8 = 50;
k9 = 500;
k10 = 10;
k11 = 50;
k12 = 1;
k13 = 100;
k14 = 1/100;
k15 = 50;
k16 = 1/2;
k17 = 5;
k18 = 0;
k19 = 1;
k20 = 1;