#include <bits/stdc++.h>
using namespace std;
long long n, m, l[1005], r[1005];
int main() {
  ios_base::sync_with_stdio(false);
  long long precision = numeric_limits<long double>::digits10;
  cin >> n >> m;
  for (long long i = 1; i <= m; i++) cin >> l[i] >> r[i];
  for (long long i = 1; i <= n; i++) {
    if (i % 2 == 0)
      cout << 0;
    else
      cout << 1;
  }
  cout << endl;
}
