#include <bits/stdc++.h>
int main() {
  int n, m;
  std::cin >> n >> m;
  int max = -1, min = 1001;
  for (int i = 0; i < m; ++i) {
    int l, r;
    std::cin >> l >> r;
  }
  bool rose = true;
  for (int i = 1; i <= n; ++i) {
    std::cout << (rose ? "0" : "1");
    rose = !rose;
  }
  std::cout << '\n';
  return 0;
}
