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: 7457 - 9732 + 1691 + 2450 + 16 + 1610 + 1729

A: 9693
****
Q: 5450 - 7077 + 4877

A: 7650
****
Q: 6341 - 3939 + 9070 + 6717 + 7523 - 717 - 5107 + 5830

A:
-13036
****