class Solution:

     # @return an integer

     def dividePositive(self, dividend, divisor):

         if dividend < divisor:

             return 0

         sum = divisor

         count = 1

         while sum + sum < dividend:

             sum += sum

             count += count

         count += self.dividePositive(dividend - sum, divisor)

         return count

     def divide(self, dividend, divisor):

         if dividend >= 0:

             if divisor > 0:

                 return self.dividePositive(dividend, divisor)

             else:

                 return 0 - self.dividePositive(dividend, 0 - divisor)

         else:

             if divisor > 0:

                 return 0 - self.dividePositive(0 - dividend, divisor)

             else:

                 return self.dividePositive(0 - dividend, 0 - divisor)