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: For Halloween Debby and her sister combined the candy they received . Debby had 32 pieces of candy while her sister had 42 . If they ate 35 pieces the first night , how many pieces do they have left ?

Output: 39


Input: Consider Input: While playing a trivia game , Adam answered 5 questions correct in the first half and 5 questions correct in the second half . If each question was worth 5 points , what was his final score ?

Output: 50


Input: Consider Input: There were 105 parents in the program and 698 pupils , too . How many people were present in the program ?


Output: 803