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

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