code -
Scanner sc=new Scanner(System.in);
int n =sc.nextInt();
int exp=(int)Math.pow(10, 9);
if(n<=exp)
{
if (n<=1 || n == 1 || n == 2)
System.out.println("-1");
else if (n % 2 == 0)
{
// Calculating for even case
int var = 1 * n * n / 4;
System.out.print(var - 1+ " ");
System.out.println(var + 1 +" ");
}
else if (n % 2 != 0)
{
int var = 1 * n * n + 1;
System.out.print(var / 2 - 1 + " ");
System.out.println(var / 2 + " ");
}
}
else
{
System.out.println("-1");
}