#include <bits/stdc++.h>
using namespace std;
long long int dx[] = {0, 0, -1, 1, -1, -1, 1, 1};
long long int dy[] = {1, -1, 0, 0, 1, -1, -1, 1};
using namespace std;
int main() {
  long long int n, p;
  cin >> n >> p;
  vector<bool> box(n, 0);
  vector<pair<long long int, long long int>> ppl(p);
  for (auto& i : ppl) cin >> i.first >> i.second;
  bool res = 1;
  for (int i = 0; i < n; ++i) {
    cout << res;
    res = !res;
  }
  cout << endl;
  return 0;
}
