#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m, x, y;
  vector<pair<int, int> > v;
  cin >> n >> m;
  for (size_t i = 0; i < m; i++) {
    cin >> x >> y;
    v.push_back(make_pair(x, y));
  }
  bool flag = false;
  for (size_t i = 0; i < n; i++) {
    if (flag) {
      cout << "0";
    } else {
      cout << "1";
    }
    flag = !flag;
  }
  return 0;
}
