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: 4899 # 3034 @ 3351 @ 7952 @ 4527 # 2700 # 3143 @ 3642 # 2445

A: 13049
****
Q: 6203 # 8978 # 1139 @ 240 # 4716

A: -8390
****
Q: 7357 # 6761 # 9110 # 3950 # 6128 # 1304 @ 5910 @ 3994

A:
-9992
****