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.

Ex Input:
Joan grew 8 watermelons and 4 turnips . Tom grew 9 watermelons . How many watermelons did they grow in total ?

Ex Output:
17


Ex Input:
Lino picked up 292 shells at the seashore in the morning and 324 shells in the afternoon . How many shells did he pick up in all ?

Ex Output:
616


Ex Input:
Ned was trying to expand his game collection . He bought 11 games from a friend and bought 22 more at a garage sale . If 19 of the games did n't work , how many good games did he end up with ?

Ex Output:

14