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

Q: 1566 @ 1639 # 814 # 5278 @ 1717 # 4304 # 6735 @ 1407

A: -10802
****
Q: 8698 # 7378 # 9188 @ 5767 # 2935 # 2532 @ 7113

A: -455
****
Q: 1278 @ 6584 # 7308 # 118 @ 2797 @ 9829

A:
13062
****