public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  int Q = sc . nextInt ( ) ;
  int [ ] a = new int [ N + 1 ] ;
  for ( int i = 0 ;
  i < Q ;
  i ++ ) {
    int start = sc . nextInt ( ) ;
    int end = sc . nextInt ( ) ;
    a [ start - 1 ] ++ ;
    a [ end ] -- ;
  }
  int [ ] b = new int [ N ] ;
  b [ 0 ] = a [ 0 ] ;
  for ( int i = 1 ;
  i < N ;
  i ++ ) {
    b [ i ] = b [ i - 1 ] + a [ i ] ;
  }
  for ( int i : b ) {
    System . out . print ( ( i % 2 == 0 ) ? 0 : 1 ) ;
  }
  System . out . println ( ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; int Q = sc . nextInt ( ) ; int [ ] a = new int [ N + 1 ] ; for ( int i = 0 ; i < Q ; i ++ ) { int start = sc . nextInt ( ) ; int end = sc . nextInt ( ) ; a [ start - 1 ] ++ ; a [ end ] -- ; } int [ ] b = new int [ N ] ; b [ 0 ] = a [ 0 ] ; for ( int i = 1 ; i < N ; i ++ ) { b [ i ] = b [ i - 1 ] + a [ i ] ; } for ( int i : b ) { System . out . print ( ( i % 2 == 0 ) ? 0 : 1 ) ; } System . out . println ( ) ; }
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