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: 3935 # 7500 # 205 # 7262 # 5754 @ 116 # 8451 # 9591

SOLUTION: -34712

PROBLEM: 2738 # 5562 @ 4529 @ 5438 @ 1799

SOLUTION: 8942

PROBLEM: 2414 # 4646 # 5453 # 1705 @ 5698 @ 5259

SOLUTION:
1567