#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, m;
  cin >> n >> m;
  long long a[m], b[m];
  vector<pair<long long, long long> > v;
  for (long long i = 0; i < m; i++) {
    cin >> a[i] >> b[i];
    v.push_back(make_pair((b[i] - a[i]), a[i]));
  }
  for (long long i = 0; i < n; i++)
    if (i % 2 == 0)
      cout << 0;
    else
      cout << 1;
  return 0;
}
