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: 7539 # 9710 # 800 # 5609

SOLUTION: -8580

PROBLEM: 2984 # 596 # 8941 @ 4235 @ 5264 @ 351 # 3797 @ 7168 # 55

SOLUTION: 6613

PROBLEM: 8606 @ 7130 # 3512 # 4753 @ 738 # 5240 # 2956 @ 1813 @ 8315

SOLUTION:
10141