k1 = 249/2000;
k2 = 20190000;
k3 = 1711/5000000000000;
k4 = 1101/10000000000;
k5 = 103/2500;
k6 = 13000;
k7 = 9/50;
k8 = 1/500000000;
k9 = 1;