#include<bits/stdc++.h>

using namespace std;

int main(){
    int N;
    cin >> N;
    string ans = "";
    if(N == 0){
        cout << "101" << endl;
    }else{
        for(int i=1;i <= N;i++){
            ans += "010";
        }
    }
    cout << ans << endl;
}