#include <bits/stdc++.h>
using namespace std;
const int N = 1e3 + 5;
int n, m;
int main() {
  scanf("%d%d", &n, &m);
  for (int i = 1; i <= m; ++i) {
    int l, r;
    scanf("%d%d", &l, &r);
  }
  for (int i = 1; i <= n; ++i) {
    printf("%d", i % 2);
  }
  puts("");
}
