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: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226

SOLUTION: 6680

PROBLEM: 3074 @ 9793 # 6587 @ 1399

SOLUTION: 7679

PROBLEM: 5214 @ 3237 # 911 @ 8468 # 3717 # 8038 # 1864 # 7994 @ 5169

SOLUTION:
-436

