#include <iostream>

using namespace std;

void xd()
{
    int element=3;
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        cout << element << " ";
        element = element *2;
    }



}

void xd2()
{
    int element=-10;
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        cout << element << " ";
        element = element +6;
    }



}

void xd3()
{
    int element=1;
    int n;
    cin >> n;
    for(int i=1;i<=n;i++)
    {
       if (i%2!=0)
        cout << element << " ";
       else
        cout << element * -1 << " ";





        element = element *2;
    }



}
void z1()
{
 int i;
  cout<<"pkt A"<<endl;
   for (i =-4;i <=14;i=i+3)
    cout<<i<<" ";
    cout<<endl<<"pkt C"<<endl;
   int j;
   for (j =12;j>=-12;j=j-4)
    cout<<j<<" ";
    cout<<endl<<"pkt D"<<endl;
    int k;
    for (k=12;k>=1;k=k-3)
        cout<<k<<" ";
       if(k<3){
       k=0;
       }
       cout<<k<<" ";

       cout<<endl<<"pkt B"<<endl;
      int a;
      for(a=1;a<11;a++){
        if(a%2!=0)
            cout<<a<<" ";
        else
            cout<<a*-1<<" ";
      }
      cout<<endl<<"pkt E"<<endl;
      cout<<"1"<<" ";
      int b;
      for(b=3;b<19;b=b+3){
      if(b%2!=0)
      cout<<b*-1<<" ";
      else
        cout<<b<<" ";

      }

}
int main()
{
    xd3();

    return 0;
}