#include <bits/stdc++.h>
using namespace std;
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long T = 1;
  while (T--) {
    long long n, m;
    cin >> n >> m;
    std::vector<pair<long long, long long> > v;
    for (long long i = 0; i < m; i++) {
      long long x, y;
      cin >> x >> y;
      v.push_back({x, y});
    }
    for (long long i = 0; i < n; i++) {
      if (i & 1) {
        cout << 0;
      } else {
        cout << 1;
      }
    }
    cout << "\n";
  }
  return 0;
}
