Problem:
Score : 100 points

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.

Sample Input 1

1

Sample Output 1

0

Sample Input 2

0

Sample Output 2

1

Solution in Kotlin (1.3.71) (judge verdict: Accepted)

public fun readln() = readLine()!!
public fun readlnByte() = readln().toByte()
public fun readlnShort() = readln().toShort()
public fun readlnInt() = readln().toInt()

fun main() {
    val input = readlnInt()
    if (input == 1) println(0)
    else if (input == 0) println(1)
}