#include<bits/stdc++.h>
using lint=long long;
int main(){
    std::cin.tie(nullptr);std::ios_base::sync_with_stdio(false);
    std::cout.setf(std::ios_base::fixed);std::cout.precision(15);
    lint n;std::cin>>n;
    int max=std::min(n,100ll);
    for(lint i=1;i<=max;i++){
        if(i==max){
            std::cout<<-1<<'\n';
            return 0;
        }
        lint j=n-i;
        if(__builtin_popcountll(i)!=1&&__builtin_popcountll(j)!=1){
            std::cout<<i<<" "<<j<<'\n';
            return 0;
        }
    }
}