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: 3367 # 4567 @ 8786 @ 9643 @ 105 # 6364 @ 9695 # 2387 @ 8798

SOLUTION: 27076

PROBLEM: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948

SOLUTION: 30305

PROBLEM: 771 # 6173 @ 6556 @ 5693 # 4992

SOLUTION:
1855