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: There are 47 eggs in a box . Harry takes 5 eggs . How many are left ?

Output: 42


Input: Consider Input: A ship full of grain crashes into a coral reef . By the time the ship is fixed , 49952 tons of grain have spilled into the water . Only 918 tons of grain remain onboard . How many tons of grain did the ship originally contain ?

Output: 50870


Input: Consider Input: Mika had 20 stickers . She bought 26 stickers from a store in the mall and got 20 stickers for her birthday . Then Mika gave 6 of the stickers to her sister and used 58 to decorate a greeting card . How many stickers does Mika have left ?


Output: 2