#include #include #include #include #include #include #include #include #include #include #include const int MOD = 1e9 + 7; const int iINF = 1000000000; const long long int llINF = 1000000000000000000; #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long int; using P = pair; using edge = struct { int to; int cost; }; int dx[4] = {1, 0, -1, 0}; int dy[4] = {0, 1, 0, -1}; ll N; bool check(ll x) { return (x & x - 1) == 0; } int main() { cin >> N; for(int i = 3; i < min(N, 10LL); i++) { if(!check(i) && !check(N - i)) { cout << i << " " << N - i << endl; return 0; } } cout << -1 << endl; return 0; }