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

Input: Consider Input: Will was organizing his baseball cards in a binder with 3 on each page . If he had 8 new cards and 10 old cards to put in the binder , how many pages would he use ?

Output: 6


Input: Consider Input: Jason has 43 blue and 16 red marbles . Tom has 24 blue marbles . How many blue marbles do they have in all ?

Output: 67


Input: Consider Input: Bryan has 50 skittles . Ben has 20 M & M ’ s . Who has more ? How many more does he have ?


Output: 30