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: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556

SOLUTION: -2559

PROBLEM: 4470 @ 7285 # 4583 @ 9451 # 3236 # 3108 # 2875

SOLUTION: 7404

PROBLEM: 5290 # 5403 @ 5954 # 6770 # 9477 @ 3352 @ 3890 # 3554 @ 6139

SOLUTION:
-579