k1 = 927/1000; k2 = 181820000; k3 = 19/5000; k4 = 2; k5 = 1; k6 = 1000; k7 = 10000; k8 = 1; k9 = 5/2; k10 = 10000; k11 = 2/5; k12 = 1/10; k13 = 1/200000000; k14 = 1021/500; k15 = 1000; k16 = 1;