public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  String x = sc . next ( ) ;
  x = x . toLowerCase ( ) ;
  int max = 1 ;
  int last = - 1 ;
  boolean first = true ;
  for ( int i = 0 ;
  i < x . length ( ) ;
  i ++ ) {
    if ( x . charAt ( i ) == 'a' | x . charAt ( i ) == 'e' | x . charAt ( i ) == 'i' | x . charAt ( i ) == 'o' | x . charAt ( i ) == 'u' | x . charAt ( i ) == 'y' ) {
      if ( first ) {
        first = false ;
        max = i + 1 ;
        last = i ;
      }
      else {
        max = Math . max ( i - last , max ) ;
        last = i ;
      }
    }
  }
  max = Math . max ( max , x . length ( ) - last ) ;
  System . out . println ( max ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; String x = sc . next ( ) ; x = x . toLowerCase ( ) ; int max = 1 ; int last = - 1 ; boolean first = true ; for ( int i = 0 ; i < x . length ( ) ; i ++ ) { if ( x . charAt ( i ) == ' a ' | x . charAt ( i ) == ' e ' | x . charAt ( i ) == ' i ' | x . charAt ( i ) == ' o ' | x . charAt ( i ) == ' u ' | x . charAt ( i ) == ' y ' ) { if ( first ) { first = false ; max = i + 1 ; last = i ; } else { max = Math . max ( i - last , max ) ; last = i ; } } } max = Math . max ( max , x . length ( ) - last ) ; System . out . println ( max ) ; }
(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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (assignment_expression left: (identifier) right: (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) value: (unary_expression operand: (decimal_integer_literal)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (true))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal)) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal))) right: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (character_literal)))) consequence: (block (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (false))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (assignment_expression left: (identifier) right: (identifier)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)) (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier) (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))