#include<bits/stdc++.h>
#define ll long long
#define int long long
using namespace std;
int N,M,K;
const int maxn=(1<<20)+5;
vector<int> graf[maxn];
int perm[maxn];
bool bio[maxn],uzmi[maxn];
priority_queue<pair<int,int>> PQ;
void getcycle(int x){
   if(bio[x])
      return;
   int gde=x,s=0;
   do {
      s++;
      bio[gde]=true;
      gde=perm[gde];
   } while(gde!=x);
   //cout<<"CIKLUS "<<s<<" "<<x<<endl;
   PQ.push({s,x});
}
void napravi(int k){
   M=1<<(k-1);
   for(int i=0;i<(1<<(k));i++){
      int a=i>>1;
      int b=i&((1<<(k-1))-1);
      graf[a].push_back(b);
   }
}
vector<int> V,R;
void poperm(int gde){
   R.push_back(gde);
   if(perm[gde]==0)
      return;
   int p=perm[gde];
   perm[gde]=0;
   poperm(p);
}
void euler(int gde){
   while(graf[gde].size()){
      int ko=graf[gde].back();
      graf[gde].pop_back();
      euler(ko);
   }
   V.push_back(gde);
}
signed main(){
   cin>>N;
   if(N==1){
      cout<<"0\n";
      return 0;
   }
   if(N==2){
      cout<<"01\n";
      return 0;
   }
   if(N==3){
      cout<<"010\n";
      return 0;
   }
   if(N==4){
      cout<<"1001\n";
      return 0;
   }
   for(int i=0;i<=20;i++){
      if((1<<i)+i-1<=N)
         K=i;
   }
   //cout<<"DUZINA JE "<<K<<endl;
   napravi(K);
   euler(0);
   reverse(V.begin(),V.end());
   /*cout<<"CIKLUS: ";
   for(int i=0;i<V.size();i++)
      cout<<V[i]<<" ";
   cout<<endl;*/

   string poc="";
   if(((1<<(K))+K-1)!=N){
      vector<int> B;
      for(int i=1;i<V.size();i++)
         B.push_back((V[i-1]<<1) + (V[i]&1));

      /*cout<<"NIZ B:"<<endl;
      for(int i=0;i<B.size();i++)
         cout<<B[i]<<" ";
      cout<<endl;
*/
      B.push_back(B[0]);
      for(int i=0;i+1<B.size();i++)
         perm[B[i]]=B[i+1]^1;
  /*    cout<<"PERM"<<endl;
      for(int i=0;i<B.size();i++)
         cout<<perm[i]<<" ";
      cout<<endl;
*/
      poc="";
      for(int i=(1<<K);i>=2;i>>=1)
         poc.push_back('0'+((B[0]&i)>0));

      for(int i=0;i+1<B.size();i++)
         getcycle(B[i]);
      int dod=N-poc.size()-B.size()+2;
      while(dod>0){
         //cout<<dod<<endl;
         if(PQ.top().first<=dod){
            dod-=PQ.top().first;
            uzmi[PQ.top().second]=true;
            PQ.pop();
         }
         else
            PQ.pop();
      }

      for(int i=0;i+1<B.size();i++)
         if(uzmi[B[i]])
            poperm(B[i]);
         else
            R.push_back(B[i]);
   }
   else{
      //cout<<"OVAKAV"<<endl;
      for(int i=1;i<K;i++)
         cout<<"0";
      for(int i=1;i<V.size();i++)
         cout<<(V[i]&1);
      cout<<endl;
      return 0;
   }
  // cout<<R.size()-1<<" "<<N-(K-1)<<endl;

   cout<<poc;
   for(int i=0;i<N-poc.size();i++)
      cout<<(R[i]&1);
   cout<<"\n";
   return 0;
}