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.

344 - 7553 + 7224 + 1616 + 672 + 916
-2531

2510 - 5839 + 9950 + 740
-2341

3074 + 9793 - 6587 + 1399

-1531