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.

[EX Q]: 1078 + 2128 + 513 + 5898 - 8020
[EX A]: 559

[EX Q]: 6844 + 1340 - 4174 - 5664 + 4911 - 5241
[EX A]: 15672

[EX Q]: 8074 + 4879 + 6883 + 1170 - 7858 + 9406 + 7113
[EX A]:
-13519