In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and addition in case of '-' symbol.

Input: Consider Input: 242 - 3824 + 6718 - 4276 + 8975

Output: -7351

Input: Consider Input: 1799 - 6428 + 9525 - 4524 + 9186

Output: -5960

Input: Consider Input: 5586 + 3703 - 1171 + 1530 - 1411 + 610 - 9175 - 5576 - 224
Output: 17300