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).