#include <bits/stdc++.h>
const int dx[] = {0, -1, 0, 1, -1, 1, 1, -1, -2, -2, 2, 2, -1, -1, 1, 1};
const int dy[] = {-1, 0, 1, 0, 1, 1, -1, -1, -1, 1, -1, 1, -2, 2, -2, 2};
using namespace std;
int main(int argc, char const *argv[]) {
  int n, m;
  scanf("%d %d", &n, &m);
  while (n) {
    printf("0");
    n--;
    if (!n) break;
    printf("1");
    n--;
  }
  printf("\n");
  return 0;
}
