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 Fortran (GNU Fortran 9.2.1) (judge verdict: Accepted)

program answer
  implicit none
  integer :: x
  read(*,*) x

  if(x==0) then
     write(*,*) '1'
  else
     write(*,*) '0'
  end if

  stop
 end program answer