k1 = 31/25;
k2 = 23000000000;
k3 = 27/25;
k4 = 1900000000000;
k5 = 1;
k6 = 1;
k7 = 240000000000;
k8 = 2600000000000;
k9 = 9/200;
k10 = 10000000000;
k11 = 10000000000;
k12 = 7/250;
k13 = 7/250;
k14 = 7/250;
k15 = 1;
k16 = 9/2500000000000;
k17 = 11/200000000000000;
k18 = 37/5000000000000;