public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
long value;
long value1;
if (n < 3) {
System.out.println(-1);
} else if (n % 2 != 0) {
value = (n * n - 1) / 2;
value1 = (n * n + 1) / 2;
System.out.println(value + " " + value1);
} else {
value = ((n * n) / 4) - 1;
value1 = ((n * n )/ 4) + 1;
System.out.println(value + " " + value1);
}
}
this code is not running for test case 3 and 4. please help me