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: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550

A: 3623
****
Q: 7894 @ 7649 # 4792

A: 10751
****
Q: 6064 # 7389 # 7905 # 1091 @ 1687

A:
-8634
****