#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, temp1, temp2, m;
  cin >> n >> m;
  while (m--) cin >> temp1 >> temp2;
  bool a[n + 1];
  for (int i = 1; i <= n; i += 2) a[i] = 0;
  for (int i = 2; i <= n; i += 2) a[i] = 1;
  for (int i = 1; i <= n; i++) cout << a[i];
  cout << endl;
}
