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.

Q: 3055 - 3062 - 5311

A: 11428
****
Q: 2510 - 5839 + 9950 + 740

A: -2341
****
Q: 4854 - 3903 - 3601 - 6666 - 170 - 3411 - 1306

A:
23911
****