#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000003

int main(){	
	
	int n;
	cin>>n;
	
	cout<<"01";
	
	rep(i,n)cout<<0;
	cout<<endl;
	
    return 0;
}