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

4899 # 3034 @ 3351 @ 7952 @ 4527 # 2700 # 3143 @ 3642 # 2445
13049

6979 # 7807 @ 3778 # 1362 @ 8374 # 3189 @ 5988
12761

7578 # 847 # 865 # 9860 @ 4062 @ 8910 @ 8172 @ 2275 # 481

18944