#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (n); i++)
typedef long long ll;
typedef long double ld;
typedef pair<int,int> P;

int main() {
  int n;
  cin >> n;
  if (n == 0) cout << 1 << endl;
  else {
    rep(i,n) cout << "010";
    cout << endl;
  }
  return 0;
}