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: 7757 # 4475 @ 6447 # 2209 # 9966

SOLUTION: -2446

PROBLEM: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556

SOLUTION: -2559

PROBLEM: 9303 @ 2435 @ 839 # 8599

SOLUTION:
3978