k1 = 1;
k2 = 1;
k3 = 1;
k4 = 4100;
k5 = 5;
k6 = 1/20;
k7 = 20;
k8 = 125;
k9 = 5;
k10 = 1/160;
k11 = 300;
k12 = 4/5;
k13 = 1/100;
k14 = 1/10;
k15 = 429/80;
k16 = 19/100;
k17 = 29/400;
k18 = 120;