public static void main ( String [ ] args ) {
  int N = sc . nextInt ( ) ;
  int Q = sc . nextInt ( ) ;
  int [ ] stones = new int [ N + 1 ] ;
  for ( int i = 0 ;
  i < Q ;
  i ++ ) {
    int start = sc . nextInt ( ) - 1 ;
    int end = sc . nextInt ( ) ;
    stones [ start ] += 1 ;
    stones [ end ] += - 1 ;
  }
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    if ( i > 0 ) stones [ i ] += stones [ i - 1 ] ;
  }
  StringBuilder sb = new StringBuilder ( ) ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    sb . append ( stones [ i ] % 2 == 0 ? '0' : '1' ) ;
  }
  System . out . println ( sb . toString ( ) ) ;
}

public static void main ( String [ ] args ) { int N = sc . nextInt ( ) ; int Q = sc . nextInt ( ) ; int [ ] stones = new int [ N + 1 ] ; for ( int i = 0 ; i < Q ; i ++ ) { int start = sc . nextInt ( ) - 1 ; int end = sc . nextInt ( ) ; stones [ start ] += 1 ; stones [ end ] += - 1 ; } for ( int i = 0 ; i < N ; i ++ ) { if ( i > 0 ) stones [ i ] += stones [ i - 1 ] ; } StringBuilder sb = new StringBuilder ( ) ; for ( int i = 0 ; i < N ; i ++ ) { sb . append ( stones [ i ] % 2 == 0 ? '0' : '1' ) ; } System . out . println ( sb . toString ( ) ) ; }
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