#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, m, x, y;
  cin >> n >> m;
  for (long long i = 0; i < m; i++) cin >> x >> y;
  long long ans = 1;
  for (long long i = 0; i < n; i++) {
    if (i % 2 == 0)
      cout << "0";
    else
      cout << "1";
  }
  cout << endl;
  return 0;
}
