#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m, l, r;
  cin >> n >> m;
  while (m--) cin >> l >> r;
  for (int i = 1; i <= n / 2; i++) cout << "01";
  if (n % 2) cout << "0" << endl;
  return 0;
}
