#include<bits/stdc++.h>
#define rep(i, n) for(int i=0; i<n; i++)
using namespace std;
using ll = long long;
using P = pair<int, int>;

int main(){
    ll N;
    cin >> N;

    int ans=0;
    if(N==1 || N==4) ans=-1;
    if(N%4==2) ans=-1;
    if(ans==0) ans=1;

    cout<<ans<<endl;
    return 0;
}