k1 = 2391/10;
k2 = 473/20;
k3 = 4531/1000;
k4 = 1229/10;
k5 = 4007/5;
k6 = 1961/250;
k7 = 1497/10;
k8 = 4387/100;
k9 = 249/4;
k10 = 62/5;
k11 = 1537/25000;
k12 = 881/5000;
k13 = 7859/10000;
k14 = 0;
k15 = 1;
k16 = 1999999/10000000;
k17 = 4999999/100000000;
k18 = 2999999/100000000;
k19 = 7/5;