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

Q: 5513 @ 1221 @ 8910 @ 8422

A: 24066
****
Q: 1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844

A: -12828
****
Q: 5951 # 8008 # 1856 @ 7093 # 6192 @ 3905 # 1879

A:
-986
****