One test case is failing

#1

#include
#include<math.h>
using namespace std;
int main() {

long long int n;
cin>>n;
long long int y;
long long int z;
long long int x;

if(n==0 || n==2){
	cout<<"-1";

}
else if(n%2==0){
	cout<<pow((n/2),2)-1;
	cout<<" ";
	cout<<pow((n/2),2)+1;
}
else{
	x=pow(n,2);
	y=(x-1)/2;
	z=(x+1)/2;
	cout<<y<<" "<<z;
}

return 0;

}

#2

hello @vanshit02
check now->

#3

all test cases passed.
thanks!

#4

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