public static void main ( String args [ ] ) {
  Scanner sc = new Scanner ( System . in ) ;
  int np = sc . nextInt ( ) ;
  int nto = sc . nextInt ( ) ;
  int arr [ ] = new int [ np ] ;
  for ( int i = 0 ;
  i < np ;
  i ++ ) {
    arr [ i ] = sc . nextInt ( ) + nto ;
  }
  int ans = 0 ;
  for ( int j = 0 ;
  j < np ;
  j ++ ) {
    if ( arr [ j ] <= 5 ) {
      ans ++ ;
    }
  }
  if ( ans >= 3 ) {
    ans = ans / 3 ;
    System . out . println ( ans ) ;
  }
  else System . out . println ( 0 ) ;
}

public static void main ( String args [ ] ) { Scanner sc = new Scanner ( System . in ) ; int np = sc . nextInt ( ) ; int nto = sc . nextInt ( ) ; int arr [ ] = new int [ np ] ; for ( int i = 0 ; i < np ; i ++ ) { arr [ i ] = sc . nextInt ( ) + nto ; } int ans = 0 ; for ( int j = 0 ; j < np ; j ++ ) { if ( arr [ j ] <= 5 ) { ans ++ ; } } if ( ans >= 3 ) { ans = ans / 3 ; System . out . println ( ans ) ; } else System . out . println ( 0 ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (block (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))) alternative: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))