public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  for ( int i = 0 ;
  i < 3 ;
  i ++ ) {
    str [ i ] = in . next ( ) ;
  }
  fun ( str [ 0 ] , str [ 1 ] , str [ 2 ] , "F" ) ;
  fun ( str [ 1 ] , str [ 0 ] , str [ 2 ] , "M" ) ;
  fun ( str [ 2 ] , str [ 1 ] , str [ 0 ] , "S" ) ;
  if ( flag == false ) {
    System . out . println ( "?" ) ;
  }
  in . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; for ( int i = 0 ; i < 3 ; i ++ ) { str [ i ] = in . next ( ) ; } fun ( str [ 0 ] , str [ 1 ] , str [ 2 ] , " F " ) ; fun ( str [ 1 ] , str [ 0 ] , str [ 2 ] , " M " ) ; fun ( str [ 2 ] , str [ 1 ] , str [ 0 ] , " S " ) ; if ( flag == false ) { System . out . println ( " ? " ) ; } in . close ( ) ; }
(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)))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (string_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (string_literal)))) (expression_statement (method_invocation name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (array_access array: (identifier) index: (decimal_integer_literal)) (string_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (false))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))