#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  int n, b;
  cin >> n >> b;
  while (b--) {
    int a, c;
    cin >> a >> c;
  }
  for (int i = 0; i < n; i++)
    if (i % 2 == 0)
      cout << "0";
    else
      cout << "1";
  cout << "\n";
  return 0;
}
