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