#include <bits/stdc++.h>
using namespace std;
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
  cerr << name << " : " << arg1 << "\n";
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << " : " << arg1 << " | ";
  __f(comma + 1, args...);
}
int main(void) {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int n, m;
  cin >> n >> m;
  int a[m], b[m];
  vector<pair<int, int> > p;
  for (int i = 0; i < m; ++i) {
    cin >> a[i] >> b[i];
  }
  for (int i = 0; i < n; ++i) {
    cout << (i % 2);
  }
  cout << "\n";
  return (0);
}
