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: 2020 @ 862 # 5780

SOLUTION: -2898

PROBLEM: 7371 # 9025 @ 8352 # 9201 # 9297 # 3561 @ 8576

SOLUTION: -6785

PROBLEM: 8608 # 5790 @ 6820 @ 5173 @ 1980 @ 7689 # 1916 @ 8009 # 782

SOLUTION:
29791