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.

6120 - 9271 - 7167 + 6916 - 2510 + 7854 - 7909 - 1960 - 3775
23942

4117 - 7011 - 9534 - 3901 - 9537 + 6979
27121

9274 - 5611 + 8340 - 6157

12702