#include <bits/stdc++.h>
using namespace std;
int dx8[] = {0, 0, 1, 1, 1, -1, -1, -1};
int dy8[] = {1, -1, 1, -1, 0, 0, -1, 1};
int dx4[] = {0, 0, 1, 1};
int dy4[] = {1, -1, 1, -1};
int main() {
  int n, m;
  cin >> n >> m;
  long long ans = 0;
  for (int i = 0; i < m; i++) {
    int l, r;
    cin >> l >> r;
  }
  for (int i = 0; i < n; i++) {
    if (i % 2 == 0)
      cout << 1;
    else
      cout << 0;
  }
  cout << endl;
  return 0;
}
