#include<bits/stdc++.h>
using namespace std;
int main(){
	string s = "0",t;
	int n,i,j;
	cin>>n;
	for(i=1;i<=n;i++){
		t = "";
		for(j=0;j<s.size();j++){
			if(s[j]=='0'){
				t = t + '1'; 
			}else if(s[j]=='1'){
				t = t + "01";
			}
		} 
		s = t;
	}
	cout<<s;
	return 0;
}

/**************************************************************
	Problem: 1845
	User: admin
	Language: C++
	Result: Accepted
	Time:127 ms
	Memory:2208 kb
****************************************************************/