k1 = 60;
k2 = 3333333333/100000000000;
k3 = 14;
k4 = 9/800000000000;
k5 = 9/200000000000;
k6 = 1/4;
k7 = 6;
k8 = 1/10;
k9 = 1000000000;
k10 = 10000000;
k11 = 1;