Problem Statement

You are given a real number $X$, which is representable using at most three decimal digits, with three decimal digits.
Round $X$ to the nearest integer and print the result.

Constraints

• $0 \\leq X < 100$
• $X$ is representable using at most three decimal digits.
• $X$ has three decimal digits in input.

Input

Input is given from Standard Input in the following format:

$X$

Output

Print the integer resulting from rounding $X$ to the nearest integer.

Sample Input 1

3.456

Sample Output 1

3

The digit in the first decimal place of $3.456$ is $4$, so we should round it down to $3$.

Sample Input 2

99.500

Sample Output 2

100

Sample Input 3

0.000

Sample Output 3

0