// yukicoder: No.638 Sum of "not power of 2"
// 2019.4.14 bal4u

#include <stdio.h>

char f[17] = { 1,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,1 };

int check(long long n)
{
	while ((n & 1) == 0) n >>= 1;
	return n > 1;
}

int main()
{
	int i, ans;
	long long N;
	
	scanf("%lld", &N);
	ans = -1;
	for (i = 3; i < 17 && i < N; i++) {
		if (f[i]) continue;
		if (check(N - i)) { ans = i; break; }
	}
	if (ans < 0) puts("-1");
	else printf("%d %lld\n", i, N-i);
	return 0;
}