#include <bits/stdc++.h>
using namespace std;
void err(istream_iterator<string> it) { cerr << endl; }
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
  cerr << *it << " = " << a << ", ";
  err(++it, args...);
}
void solve() {
  int n, m;
  cin >> n >> m;
  vector<int> l(m), r(m);
  for (int i = 0; i < m; ++i) {
    cin >> l[i] >> r[i];
  }
  for (int i = 0; i < n; ++i) cout << (i & 1);
  cout << endl;
}
int main(int argc, char* argv[]) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  solve();
  return 0;
}
