#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m;
  scanf("%d %d", &n, &m);
  for (int i = 0; i < n; i++) {
    int l, r;
    scanf("%d %d", &l, &r);
  }
  bool b = 1;
  for (int i = 0; i < n; i++) {
    putchar(b ? '1' : '0');
    b ^= 1;
  }
}
