#include <bits/stdc++.h>
using namespace std;
int main() {
  std::ios::sync_with_stdio(false);
  int n, m;
  cin >> n >> m;
  string s;
  for (int i = 0; i < n; i += 2) {
    s.push_back('0');
    if (i + 1 < n) s.push_back('1');
  }
  for (int i = 0; i < m; i++) {
    int a, b;
    cin >> a >> b;
  }
  cout << s;
  return 0;
}
