#include <bits/stdc++.h>
using namespace std;
const double pi = 2 * acos(0.0);
int oo = 0x3f3f3f3f;
double inf = 1.0 / 0.0;
int main() {
  ios::sync_with_stdio(false);
  int n, q;
  cin >> n >> q;
  while (q--) {
    int l, r;
    cin >> l >> r;
  }
  string s = "";
  for (int i = 0; i < n; i++) {
    if (i % 2 == 0)
      s.push_back('1');
    else
      s.push_back('0');
  }
  cout << s << endl;
  return 0;
}
