The following languages are only available languages for the problems from the contest

Surprise Language Round #7:

- FALSE

Virtual contest is a way to take part in past contest, as close as possible to participation on time. It is supported only ICPC mode for virtual contests.
If you've seen these problems, a virtual contest is not for you - solve these problems in the archive.
If you just want to solve some problem from a contest, a virtual contest is not for you - solve this problem in the archive.
Never use someone else's code, read the tutorials or communicate with other person during a virtual contest.

No tag edit access

C. Eval

time limit per test

2 secondsmemory limit per test

256 megabytesinput

standard inputoutput

standard outputYou are given a simple arithmetic expression of the form *a*?*b*, where *a* and *b* are integer constants, and ? can be one of the following operations: '+' (addition), '-' (subtraction), '*' (multiplication), '/' (integer division) or '%' (modulo operation).

Output the result of evaluation of this expression.

Input

The input is a single line containing an expression *a*?*b*. Here *a* and *b* are integers between 1 and 999, inclusive; ? is an operation character: '+', '-' (ASCII code 45), '*', '/' or '%'.

Output

Output a single integer — the result of evaluation of this expression.

Examples

Input

123+456

Output

579

Input

192/5

Output

38

Input

945%19

Output

14

Codeforces (c) Copyright 2010-2020 Mike Mirzayanov

The only programming contests Web 2.0 platform

Server time: Sep/21/2020 22:08:44 (g2).

Desktop version, switch to mobile version.

Supported by

User lists

Name |
---|