x = int(input("x: "))
y = int(input("y: "))
top_num = (15*(x**2)) - ((7/12)*y) # числитель
bottom_num = 5*(x**3 - 6*y) # знаменатель
answer = top_num / bottom_num
print(answer)
x = int(input("x: "))
y = int(input("y: "))
top_num = (15*(x**2)) - ((7/12)*y) # числитель
bottom_num = 5*(x**3 - 6*y) # знаменатель
answer = top_num / bottom_num
print(answer)