instruction:
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
question:
5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399
answer:
-269


question:
4839 # 9558 @ 1236 # 8758 # 3209
answer:
-15450


question:
6632 @ 4289 # 5319 @ 532 # 1872
answer:

4262