#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int i, j, k, n, m, u, v;
  cin >> n >> m;
  char c = '0';
  char d = '1';
  for (int i = 0; i <= m - 1; ++i) {
    cin >> u >> v;
  }
  for (int i = 0; i <= n - 1; ++i) {
    if (i % 2 == 0)
      cout << c;
    else
      cout << d;
  }
  cout << "\n";
  return 0;
}
