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: 8513 - 7119 - 47

A: 15679
****
Q: 7457 - 9732 + 1691 + 2450 + 16 + 1610 + 1729

A: 9693
****
Q: 7514 + 1188 - 5227 - 7228

A:
18781
****