#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
void print01(Int len){
  for(Int i=0;i<len;i++) cout<<(i&1);
}
void print10(Int len){
  for(Int i=0;i<len;i++) cout<<(~i&1);
}
signed main(){
  Int n;
  cin>>n;

  using P = pair<Int, Int>;
  vector<P> vp;
  for(Int i=1;i*i<=n;i++)
    vp.emplace_back(i*i,i);

  const Int INF = 1e15;
  vector<Int> dp(n+1,INF);
  dp[0]=0;
  for(auto p:vp)
    for(Int i=0;i+p.first<=n;i++)
      chmin(dp[i+p.first],dp[i]+p.second);

  Int val=n,state=0;
  while(val){
    //cout<<l1<<" "<<l2<<endl;
    if(state==0){
      Int l1=INF,l2=-1;
      for(auto p:vp){
        if(val<p.first) continue;
        if(dp[val]!=dp[val-p.first]+p.second) continue;
        if(p.first&1)
          chmin(l1,p.second);
        else
          chmax(l2,p.second);
      }

      if(l1!=INF){
        print01(l1);
        val-=l1*l1;
        state^=0;
      }else{
        print01(l2);
        val-=l2*l2;
        state^=1;
      }
    }else{
      Int l1=INF,l2=INF;
      for(auto p:vp){
        if(val<p.first) continue;
        if(dp[val]!=dp[val-p.first]+p.second) continue;
        if(~p.first&1)
          chmin(l2,p.second);
        else
          chmin(l1,p.second);
      }
      if(l2!=INF){
        print10(l2);
        val-=l2*l2;
        state^=1;
      }else{
        print10(l1);
        val-=l1*l1;
        state^=0;
      }
    }
  }
  cout<<endl;
  return 0;
}