public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int arr [ ] = new int [ 91 ] ;
  for ( int i = sc . nextInt ( ) ;
  i > 0 ;
  i -- ) arr [ sc . nextInt ( ) ] ++ ;
  int timer = 15 ;
  int i ;
  for ( i = 1 ;
  i < arr . length ;
  i ++ ) {
    if ( timer == 0 ) break ;
    if ( arr [ i ] == 1 ) timer = 15 ;
    else timer -- ;
  }
  System . out . println ( i - 1 ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int arr [ ] = new int [ 91 ] ; for ( int i = sc . nextInt ( ) ; i > 0 ; i -- ) arr [ sc . nextInt ( ) ] ++ ; int timer = 15 ; int i ; for ( i = 1 ; i < arr . length ; i ++ ) { if ( timer == 0 ) break ; if ( arr [ i ] == 1 ) timer = 15 ; else timer -- ; } System . out . println ( i - 1 ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) 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) dimensions: (dimensions) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (decimal_integer_literal))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (expression_statement (update_expression (array_access array: (identifier) index: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (field_access object: (identifier) field: (identifier))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (break_statement)) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) alternative: (expression_statement (update_expression (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))))