source_code: import java.util.*;
  import java.io.*;
  
  public class SonyaExhibition {
  	static BufferedReader br;
  	static StringTokenizer tokenizer;
  
  	public static void main(String[] args) throws Exception {
  		br = new BufferedReader(new InputStreamReader(System.in));
  		int n = nextInt();
  		int[] arr = {0,1};
  		for(int i = 0; i < n; i++) {
  			System.out.print(arr[i % 2]);
  		}
  		System.out.println();
  	}
  
  	public static String next() throws IOException {
  		while (tokenizer == null || !tokenizer.hasMoreTokens()) {
  			String line = br.readLine();
  			if (line == null)
  				throw new IOException();
  			tokenizer = new StringTokenizer(line);
  		}
  		return tokenizer.nextToken();
  	}
  
  	public static int nextInt() throws IOException {
  		return Integer.parseInt(next());
  	}
  }
  