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: 8129 # 5764 @ 7961 # 2052 @ 6379

Output: 14653


Input: Consider Input: 6199 # 9863 # 8197 # 3975 @ 1000 @ 740 @ 3216 @ 2122 # 4226

Output: -12984


Input: Consider Input: 126 # 1098 @ 5210 @ 7689 @ 2183 @ 6531 @ 586 # 6762 # 3720


Output: 10745