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: 8137 @ 5006 # 7743 @ 1478

SOLUTION: 6878

PROBLEM: 4324 # 426 # 9171 # 980 @ 9454 @ 9720 # 7367 # 9266 # 1237

SOLUTION: -4949

PROBLEM: 6979 @ 2291 @ 5995 @ 1032 # 5066 # 3698

SOLUTION:
7533

