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.

Q: 42 + 6517 - 146 + 304 - 4759 + 148 - 3822

A: 1800
****
Q: 9776 + 5760 + 5961 - 1401 - 1368

A: 824
****
Q: 4221 - 4106 + 3610 + 8308 + 9181 - 5028

A:
-7744
****