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: The school cafeteria had 14 apples . If they used 13 to make lunch for the students and then bought 49 more , how many apples would they have ?

Output: 50


Input: Consider Input: Heather starts with 86 blocks . She shares 41 with Jose . How many blocks does Heather end with ?

Output: 45


Input: Consider Input: A pet store had 19 siamese cats and 45 house cats . During a sale they sold 56 cats . How many cats do they have left ?


Output: 8