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: 1477 @ 6645 @ 6272 # 3080

SOLUTION: 11314

PROBLEM: 1278 @ 4628 @ 2357 @ 3694 @ 5775 @ 8542 # 793

SOLUTION: 25481

PROBLEM: 9711 @ 5772 # 8650 # 4025 # 9575 @ 1408

SOLUTION:
-5359