#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll MAX = 10000000000000;
const int mod = 1e9 + 7;
void solve() {
  int n, k;
  cin >> n >> k;
  string s1 = "";
  while (k--) {
    int l, r;
    cin >> l >> r;
  }
  for (int i = 0; i < n; i++) {
    if (i % 2 == 0)
      s1 += "0";
    else
      s1 += "1";
  }
  cout << s1 << endl;
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t = 1;
  while (t--) solve();
  return 0;
}
