public static void main ( String [ ] args ) {
  Scanner input = new Scanner ( System . in ) ;
  String s = input . next ( ) ;
  int count = 1 ;
  char c = s . charAt ( 0 ) ;
  int temp = 1 ;
  for ( int i = 1 ;
  i < s . length ( ) ;
  i ++ ) {
    if ( s . charAt ( i ) != c || temp == 5 ) {
      count ++ ;
      temp = 1 ;
      c = s . charAt ( i ) ;
    }
    else temp ++ ;
  }
  System . out . println ( count ) ;
}

public static void main ( String [ ] args ) { Scanner input = new Scanner ( System . in ) ; String s = input . next ( ) ; int count = 1 ; char c = s . charAt ( 0 ) ; int temp = 1 ; for ( int i = 1 ; i < s . length ( ) ; i ++ ) { if ( s . charAt ( i ) != c || temp == 5 ) { count ++ ; temp = 1 ; c = s . charAt ( i ) ; } else temp ++ ; } System . out . println ( count ) ; }
(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)))) (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) (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: (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (identifier)) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (update_expression (identifier))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) alternative: (expression_statement (update_expression (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))