instruction:
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.
question:
2588 + 7474 + 7336 + 2767 - 1155 - 3435 - 6693
answer:
-3706


question:
7646 + 8509 - 4372 - 9840 - 6377 - 2924 + 869
answer:
21781


question:
7777 - 4386 - 6756 + 7248 - 9282 + 2584 - 3531 + 1374
answer:

20526