public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  a = sc . next ( ) ;
  b = sc . next ( ) ;
  c = sc . next ( ) ;
  char ac = a . charAt ( 0 ) ;
  int ans = 0 ;
  if ( ac == 'a' ) {
    ans = DisCard ( 1 ) ;
  }
  else if ( ac == 'b' ) {
    ans = DisCard ( 2 ) ;
  }
  else {
    ans = DisCard ( 3 ) ;
  }
  String answ = "" ;
  if ( ans == 1 ) {
    answ = "A" ;
  }
  else if ( ans == 2 ) {
    answ = "B" ;
  }
  else {
    answ = "C" ;
  }
  System . out . println ( answ ) ;
  sc . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; a = sc . next ( ) ; b = sc . next ( ) ; c = sc . next ( ) ; char ac = a . charAt ( 0 ) ; int ans = 0 ; if ( ac == ' a ' ) { ans = DisCard ( 1 ) ; } else if ( ac == ' b ' ) { ans = DisCard ( 2 ) ; } else { ans = DisCard ( 3 ) ; } String answ = " " ; if ( ans == 1 ) { answ = " A " ; } else if ( ans == 2 ) { answ = " B " ; } else { answ = " C " ; } System . out . println ( answ ) ; sc . 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)))))) (expression_statement (assignment_expression left: (identifier) right: (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)))) (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: (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))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (string_literal)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))