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]: 8137 + 5006 - 7743 + 1478
[EX A]: 9396

[EX Q]: 7457 - 9732 + 1691 + 2450 + 16 + 1610 + 1729
[EX A]: 9693

[EX Q]: 9731 - 3683 + 3979 - 6650
[EX A]:
16085