472. Calculator Lite

0

Medium

Given a string s representing an expression, calculate and output the value of this expression.

It is guaranteed that the given expression is always valid.

It is guaranteed that the given expression is always valid.

Input Format

The input consists of a single line containing a string s (the expression).

Output Format

Output the value of the expression as an integer.

Example

Input

3+5/2*4

Output

11

Constraints

* The length of the string s is between 1 and 10000.

* The string s consists of integers and operators ('+', '-', '*', '/') separated by some number of spaces.

* The string s consists of integers and operators ('+', '-', '*', '/') separated by some number of spaces.

Loading...

View Submissions

Console