#include <bits/stdc++.h>
using namespace std;
int n, m, l, r;
int main() {
  scanf("%d%d", &n, &m);
  for (int i = 1; i <= m; ++i) scanf("%d%d", &l, &r);
  for (int i = 1; i <= n; ++i) printf("%d", i & 1);
}
