#include <bits/stdc++.h>
using namespace std;
int n, m, x, y;
int a[1005];
int main() {
  for (int i = 1; i <= n; ++i) a[i] = -1;
  scanf("%d%d", &n, &m);
  int aa = 0, bb = 0;
  for (int i = 1; i <= m; ++i) scanf("%d%d", &x, &y);
  for (int i = 1; i <= n; ++i) {
    if (i % 2)
      printf("0");
    else
      printf("1");
  }
}
