k1 = 519/5; k2 = 33/100; k3 = 149/10; k4 = 88/5; k5 = 500; k6 = 33/100; k7 = 7/20; k8 = 380; k9 = 499/10; k10 = 589/10; k11 = 59/100; k12 = 6; k13 = 1; k14 = 1; k15 = 1;