public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( System . in ) ;
  int N = scanner . nextInt ( ) ;
  int Q = scanner . nextInt ( ) ;
  int [ ] left = new int [ Q ] ;
  int [ ] right = new int [ Q ] ;
  for ( int i = 0 ;
  i < Q ;
  i ++ ) {
    left [ i ] = scanner . nextInt ( ) ;
    right [ i ] = scanner . nextInt ( ) ;
  }
  Arrays . sort ( left ) ;
  Arrays . sort ( right ) ;
  long count = 0 ;
  int li = 0 ;
  int ri = 0 ;
  StringBuilder sb = new StringBuilder ( ) ;
  for ( int i = 1 ;
  i <= N ;
  i ++ ) {
    while ( li < Q && left [ li ] == i ) {
      li ++ ;
      count ++ ;
    }
    sb . append ( count % 2 == 0 ? '0' : '1' ) ;
    while ( ri < Q && right [ ri ] == i ) {
      ri ++ ;
      count -- ;
    }
  }
  System . out . println ( sb . toString ( ) ) ;
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( System . in ) ; int N = scanner . nextInt ( ) ; int Q = scanner . nextInt ( ) ; int [ ] left = new int [ Q ] ; int [ ] right = new int [ Q ] ; for ( int i = 0 ; i < Q ; i ++ ) { left [ i ] = scanner . nextInt ( ) ; right [ i ] = scanner . nextInt ( ) ; } Arrays . sort ( left ) ; Arrays . sort ( right ) ; long count = 0 ; int li = 0 ; int ri = 0 ; StringBuilder sb = new StringBuilder ( ) ; for ( int i = 1 ; i <= N ; i ++ ) { while ( li < Q && left [ li ] == i ) { li ++ ; count ++ ; } sb . append ( count % 2 == 0 ? '0' : '1' ) ; while ( ri < Q && right [ ri ] == i ) { ri ++ ; count -- ; } } System . out . println ( sb . toString ( ) ) ; }
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