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:
8137 @ 5006 # 7743 @ 1478
answer:
6878


question:
4844 # 1525 @ 1894 # 2506
answer:
2707


question:
9723 @ 277 # 8193 @ 7139 # 5869 @ 1829 # 1888 @ 3618
answer:

6636