#include <bits/stdc++.h>
using namespace std;
const long long INF = 1e18;
const int32_t M = 1e9 + 7;
const int32_t MM = 998244353;
const long long N = 1e9 + 1;
void solve() {
  long long n, m;
  cin >> n >> m;
  while (m--) {
    long long x, y;
    cin >> x >> y;
  }
  for (long long i = 0; i < n; i++) {
    if (i % 2)
      cout << "0";
    else
      cout << "1";
  }
  cout << "\n";
}
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  solve();
  return 0;
}
