#include <bits/stdc++.h>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<string> vs;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<60;
const double pi=acos(-1);
const double eps=1e-10;
const ll mod=1e9+7;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,0};

set<ll> st;

bool f(ll x){
	return st.find(x)==st.end();
}

ll n;

int main(){
	cin>>n;
	ll t=1;
	while(t<INF){
		st.insert(t);
		t*=2;
	} 
	for(int i=1;i<100000;i++) if(f(i)&&f(n-i)&&n>i){
		cout<<i<<' '<<n-i<<endl;
		return 0;
	}
	cout<<-1<<endl;
}