Please correct my code in this code some test case failed

#1

import java.util.;
public class Main {
public static void main(String args[]) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
if(n%2!=0)
{
int x=(nn)/2;
int y=(nn)/2+1;
System.out.println(x +" " +y);
}
else
{
int x=((nn)/4)-1;
int y=((n*n)/4)+1;
System.out.println(x +" " +y);
}
}
}