public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  int Q = sc . nextInt ( ) ;
  int [ ] cum = new int [ N + 2 ] ;
  for ( int i = 0 ;
  i < Q ;
  i ++ ) {
    int l = sc . nextInt ( ) ;
    int r = sc . nextInt ( ) ;
    cum [ l ] += 1 ;
    cum [ r + 1 ] -= 1 ;
  }
  for ( int n = 1 ;
  n < N + 2 ;
  n ++ ) {
    cum [ n ] += cum [ n - 1 ] ;
  }
  for ( int n = 1 ;
  n <= N ;
  n ++ ) {
    if ( cum [ n ] % 2 == 0 ) {
      out . print ( 0 ) ;
    }
    else {
      out . print ( 1 ) ;
    }
  }
  out . println ( ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; int Q = sc . nextInt ( ) ; int [ ] cum = new int [ N + 2 ] ; for ( int i = 0 ; i < Q ; i ++ ) { int l = sc . nextInt ( ) ; int r = sc . nextInt ( ) ; cum [ l ] += 1 ; cum [ r + 1 ] -= 1 ; } for ( int n = 1 ; n < N + 2 ; n ++ ) { cum [ n ] += cum [ n - 1 ] ; } for ( int n = 1 ; n <= N ; n ++ ) { if ( cum [ n ] % 2 == 0 ) { out . print ( 0 ) ; } else { out . print ( 1 ) ; } } out . println ( ) ; }
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