k1 = 1; k2 = 5000000; k3 = 1/2; k4 = 100000000; k5 = 1/10; k6 = 1/10; k7 = 100000; k8 = 10000000; k9 = 1/10; k10 = 1/20; k11 = 1/10; k12 = 1/100000000; k13 = 1001/100000000; k14 = 1/1000000000; k15 = 10001/1000000000; k16 = 1/1000000000; k17 = 10001/1000000000;