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: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550

SOLUTION: 3623

PROBLEM: 497 # 7667 # 405 # 5403 @ 8444 @ 5031 # 1411 # 2392

SOLUTION: -3306

PROBLEM: 9704 # 1692 # 2240 # 1896 @ 8830 @ 3309

SOLUTION:
16015