You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

Input: Consider Input: Joan has 8 orange balloons but lost 2 of them . How many orange balloons does Joan have now ?

Output: 6


Input: Consider Input: Cheryl starts with 8 Skittles . Kathryn gives Cheryl 89 more . How many Skittles does Cheryl end with ?

Output: 97


Input: Consider Input: Sandy 's dog had 8 puppies and 4 had spots . She gave 4 to her friends . How many puppies does she now have ?


Output: 4