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: 3347 # 2950 @ 6671 @ 4670 # 7283

SOLUTION: 4455

PROBLEM: 7686 @ 8753 @ 1402 # 3760 # 9121 @ 5705 @ 9002

SOLUTION: 19667

PROBLEM: 7272 @ 8958 # 7231 @ 6616

SOLUTION:
15615