TASK DEFINITION: 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
PROBLEM: 5507 @ 4243 @ 5897 @ 7115 # 6687 @ 3875 # 298 @ 1379 @ 1973

SOLUTION: 23004

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

SOLUTION: 13049

PROBLEM: 3658 @ 6122 # 1605 # 5664 # 2085 # 6595 @ 4446 # 7698 @ 541

SOLUTION:
-8880