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Contest: Task: Related: TaskB

Score : $100$ points

Problem Statement

The function ReLU is defined as follows:

Figure

Given an integer $x$, find $ReLU(x)$.

Constraints

  • $x$ is an integer.
  • $ -10 \leq x \leq 10$

Input

Input is given from Standard Input in the following format:

$x$

Output

Print the answer as an integer.

Sample Input 1

1

Sample Output 1

1

We have $1 \geq 0$, so $ReLU(1) = 1$.

Sample Input 2

0

Sample Output 2

0

Sample Input 3

-1

Sample Output 3

0