9653: ABC180 —— A - box
[Creator : ]
Description
We have removed $A$ balls from a box that contained $N$ balls and then put $B$ new balls into that box. How many balls does the box contain now?
Input
Input is given from Standard Input in the following format:
```
$N$ $A$ $B$
```
```
$N$ $A$ $B$
```
Output
Print the answer as an integer.
Constraints
- All values in input are integers.
- $ 100 \leq N \leq 200$
- $ 1 \leq A,B \leq 100$
- $ 100 \leq N \leq 200$
- $ 1 \leq A,B \leq 100$
Sample 1 Input
100 1 2
Sample 1 Output
101
The box contained 100 balls. After removing 1 ball and putting 2 new balls, it now contains 101 balls.
Sample 2 Input
100 2 1
Sample 2 Output
99
Sample 3 Input
100 1 1
Sample 3 Output
100