B - Round Down

Score : $200$ points

Problem Statement

Given an integer or a decimal $X$, round it down to an integer and print the result.

Constraints

• $0 \le X \le 10^{100}$
• $X$ is an integer or a decimal with at most $100$ digits after the decimal point, without unnecessary leading zeros.

Input

Input is given from Standard Input in the following format:

$X$

Output

Round $X$ down to an integer and print the result (as an integer).

5.90

5

We round down $5.90$ to an integer, $5$, and print it as an integer. Non-integer outputs such as 5.0 will be judged as incorrect.

0

0

There may be no decimal point in $X$.

84939825309432908832902189.9092309409809091329

84939825309432908832902189

Take care when handling large numbers.