k1 = 125000;
k2 = 50000000;
k3 = 1/10000;
k4 = 2000;
k5 = 200;
k6 = 2/125;
k7 = 1000;
k8 = 1/4;
k9 = 1/4;
k10 = 1/4;
k11 = 5;
k12 = 1/4;
k13 = 3/1000000;
k14 = 1/2;
k15 = 2001/400;
k16 = 1600/2001;
k17 = 1;
k18 = 0;