k1 = 21/50;
k2 = 1/200;
k3 = 21/50;
k4 = 1/200;
k5 = 23/1000;
k6 = 23/4000;
k7 = 7/200;
k8 = 23/1000;
k9 = 9/25000;
k10 = 7/500;
k11 = 13/1000;
k12 = 7/200;
k13 = 7/200;
k14 = 7/200;
k15 = 37;
k16 = 9/500;
k17 = 99/1000;
k18 = 11/2;
k19 = 1;
k20 = 799999699/10000000;
k21 = 2000003/100000;