Problem Statement

Given is an integer $x$ that is greater than or equal to $0$, and less than or equal to $1$. Output $1$ if $x$ is equal to $0$, or $0$ if $x$ is equal to $1$.

Constraints

• $0 \leq x \leq 1$
• $x$ is an integer

Input

Input is given from Standard Input in the following format:

x

Output

Print $1$ if $x$ is equal to $0$, or $0$ if $x$ is equal to $1$.