public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  int a [ ] = new int [ n ] ;
  Map < Integer , Integer > map = new HashMap < > ( ) ;
  int c = 0 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    a [ i ] = sc . nextInt ( ) ;
    if ( ! map . containsKey ( a [ i ] ) ) {
      map . put ( a [ i ] , 1 ) ;
    }
    else {
      if ( a [ i ] != 0 ) {
        c ++ ;
      }
      int value = map . get ( a [ i ] ) ;
      value ++ ;
      map . replace ( a [ i ] , value ) ;
    }
  }
  int max = 0 ;
  for ( int k : map . keySet ( ) ) {
    if ( max < map . get ( k ) ) {
      if ( k != 0 ) max = map . get ( k ) ;
    }
  };
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; int a [ ] = new int [ n ] ; Map < Integer , Integer > map = new HashMap < > ( ) ; int c = 0 ; for ( int i = 0 ; i < n ; i ++ ) { a [ i ] = sc . nextInt ( ) ; if ( ! map . containsKey ( a [ i ] ) ) { map . put ( a [ i ] , 1 ) ; } else { if ( a [ i ] != 0 ) { c ++ ; } int value = map . get ( a [ i ] ) ; value ++ ; map . replace ( a [ i ] , value ) ; } } int max = 0 ; for ( int k : map . keySet ( ) ) { if ( max < map . get ( k ) ) { if ( k != 0 ) max = map . get ( k ) ; } } ; }
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