k1 = 1;
k2 = 121267/1000;
k3 = 94929/200000000000000000000;
k4 = 2569840000000;
k5 = 387701/5;
k6 = 69679400000;
k7 = 472749/100000000;
k8 = 201671/10000000;
k9 = 1/1000000000;
k10 = 1/6250000;
k11 = 7/5000000;