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: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226

SOLUTION: 6680

PROBLEM: 8451 # 7523 @ 454 @ 459 @ 182 @ 6187 # 2835

SOLUTION: 5375

PROBLEM: 2962 @ 3001 @ 7688

SOLUTION:
13651