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: 7803 @ 6524 @ 7077 # 1627 # 3959

SOLUTION: 15818

PROBLEM: 7021 # 2043 @ 7414 # 2632 @ 2939 @ 8718 @ 2731

SOLUTION: 24148

PROBLEM: 9653 @ 7712 # 5751 # 405 @ 319 # 9984 # 5066

SOLUTION:
-3522