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: 4688 # 4301 # 9301 # 7246 # 6377 @ 8027 @ 425 @ 3557

SOLUTION: -10528

PROBLEM: 1566 @ 1639 # 814 # 5278 @ 1717 # 4304 # 6735 @ 1407

SOLUTION: -10802

PROBLEM: 5927 # 6249 # 2130 @ 5539 @ 2319 # 53 # 207 # 3455 # 6920

SOLUTION:
-5229