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: 8643 @ 7199 @ 504 # 8068 # 8187 # 1584 @ 6422

SOLUTION: 4929

PROBLEM: 6060 @ 2846 @ 4249 @ 6831 @ 5191 @ 3711 # 352 # 2921 @ 5640

SOLUTION: 31255

PROBLEM: 84 # 4898 # 2883 @ 5111 # 7812 # 5830 @ 3330 @ 8500 @ 6754

SOLUTION:
2356