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 abc54
 implicit none
 integer::x
 read(*,*)x
 if(x==1)then
  x=0
 else
  x=1
 end if
 print'(i0)',x
end program abc54