k1 = 1/500;
k2 = 1/500;
k3 = 1/100;
k4 = 1/100;
k5 = 1/2;
k6 = 1/1000;
k7 = 23/500;
k8 = 2;
k9 = 7/10;
k10 = 3/50;
k11 = 1/4;
k12 = 4;
k13 = 1;
k14 = 4/51;
k15 = 1/100;
k16 = 1;