2 + 2 != 4

1000ms

262144K

Description:

One very experienced problem writer decided to prepare a problem for April Fools Day contest. The task was very simple - given an arithmetic expression, return the result of evaluating this expression. However, looks like there is a bug in the reference solution...

Input:

The only line of input data contains the arithmetic expression. The expression will contain between 2 and 10 operands, separated with arithmetic signs plus and/or minus. Each operand will be an integer between 0 and 255, inclusive.

Output:

Reproduce the output of the reference solution, including the bug.

Sample Input:

8-7+6-5+4-3+2-1-0

Sample Output:

Sample Input:

2+2

Sample Output:

-46

Sample Input:

112-37

Sample Output:

Informação

Provedor Codeforces

Código CF952F