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: 4681 # 7765 @ 9516 @ 4570 @ 2862

SOLUTION: 13864

PROBLEM: 3782 @ 4127 # 1265 # 1395 @ 2430 @ 6990 @ 8573 @ 8170

SOLUTION: 31412

PROBLEM: 1655 # 1896 @ 1853 @ 2815 # 1103 # 4950

SOLUTION:
-1626