In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

[EX Q]: 4264 # 4438 @ 3871 @ 7585 # 540 # 3455 # 6016
[EX A]: 1271

[EX Q]: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622
[EX A]: 5012

[EX Q]: 7951 # 4892 @ 8419 @ 1279 # 1998 @ 6307 @ 3394
[EX A]:
20460