public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  String s = sc . next ( ) ;
  char c = '\u0000' ;
  int f = 0 ;
  for ( int i = 0 ;
  i < n - 1 ;
  i ++ ) {
    char ch = s . charAt ( i ) ;
    char ch2 = s . charAt ( i + 1 ) ;
    if ( ch > ch2 ) {
      c = ch ;
      f = 1 ;
      break ;
    }
  }
  if ( f == 0 ) c = s . charAt ( n - 1 ) ;
  f = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( f == 0 && s . charAt ( i ) == c ) {
      f = 1 ;
      continue ;
    }
    System . out . print ( s . charAt ( i ) ) ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; String s = sc . next ( ) ; char c = ' \u0000' ; int f = 0 ; for ( int i = 0 ; i < n - 1 ; i ++ ) { char ch = s . charAt ( i ) ; char ch2 = s . charAt ( i + 1 ) ; if ( ch > ch2 ) { c = ch ; f = 1 ; break ; } } if ( f == 0 ) c = s . charAt ( n - 1 ) ; f = 0 ; for ( int i = 0 ; i < n ; i ++ ) { if ( f == 0 && s . charAt ( i ) == c ) { f = 1 ; continue ; } System . out . print ( s . charAt ( i ) ) ; } }
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