TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.
PROBLEM: 7149 - 7250 - 2026 - 4929 - 5525 + 1967 + 895 + 4245 - 720

SOLUTION: 20492

PROBLEM: 7671 - 2300 - 9650 - 6692 + 7656 + 4940 - 2878 - 5602 + 7222

SOLUTION: 14975

PROBLEM: 4116 + 5725 - 8929 + 1368 + 6606

SOLUTION:
-654