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

Input: Consider Input: 1188 @ 3127 @ 964 # 79 # 4554 @ 4344 @ 8024

Output: 13014


Input: Consider Input: 2763 @ 869 # 8299

Output: -4667


Input: Consider Input: 8298 @ 3167 @ 5727 @ 7658 # 3293 @ 4562


Output: 26119