def bug1():
   global a
   l1_value = 0.75
   l1_value_diamond = 8 * 0.05
   a = l1_value + l1_value_diamond
bug1()
print("一个一级石头需要消耗金",':',a)

def bug2():
   global b
   l1_to_l3 = 12 * a
   l1_to_l3_gold = 0.39
   l1_to_l3_vit = 10 * 1
   b = l1_to_l3 + l1_to_l3_gold + l1_to_l3_vit
bug2()
print('一个3级石头需要耗费金',':',b)

def bug3():
   global c
   global d
   global e
   e = 1
   global f
   global g
   l3_to_l4 = 16 * a
   l3_to_l4_gold = 0.897
   l3_to_l4_vit = 10
   l3_to_l4_rate = 0.4878
   while l3_to_l4_rate < 1:
       l3_to_l4_rate += l3_to_l4_rate
       e += 1
       if l3_to_l4_rate < 1:
           d = l3_to_l4_gold + l3_to_l4
           f = d * e
           print('一个4级石头失败需要耗费金',':',f)
       else:
           c = l3_to_l4 + l3_to_l4_gold + l3_to_l4_vit + l3_to_l4_rate
           print('一个4级石头需要耗费金',':',c)
bug3()
g = c + f
print('一个4级石头转化成果需要耗费金',':',g)

def bug4():
   global h
   l4_to_l6 = 12 * g
   l4_to_l6_gold = 19.75
   l4_to_l6_vit = 10
   h = int(l4_to_l6 + l4_to_l6_gold + l4_to_l6_vit)
bug4()
print('一个6级石头需要耗费金',':',h)

if h > 750:
   print('自己合成石头为',h,'金，直接花费750金购买6级石头划算')
else:
   print('自己合成石头为',h,'金，自己合成划算')