public static void main ( String [ ] args ) {
  mp . put ( "monday" , 1 ) ;
  mp . put ( "tuesday" , 2 ) ;
  mp . put ( "wednesday" , 3 ) ;
  mp . put ( "thursday" , 4 ) ;
  mp . put ( "friday" , 5 ) ;
  mp . put ( "saturday" , 6 ) ;
  mp . put ( "sunday" , 7 ) ;
  String a = in . next ( ) , b = in . next ( ) ;
  int x = ( mp . get ( b ) - mp . get ( a ) + 7 ) % 7 ;
  if ( x == 0 || x == 2 || x == 3 ) {
    System . out . println ( "YES" ) ;
  }
  else {
    System . out . println ( "NO" ) ;
  }
}

public static void main ( String [ ] args ) { mp . put ( " monday " , 1 ) ; mp . put ( " tuesday " , 2 ) ; mp . put ( " wednesday " , 3 ) ; mp . put ( " thursday " , 4 ) ; mp . put ( " friday " , 5 ) ; mp . put ( " saturday " , 6 ) ; mp . put ( " sunday " , 7 ) ; String a = in . next ( ) , b = in . next ( ) ; int x = ( mp . get ( b ) - mp . get ( a ) + 7 ) % 7 ; if ( x == 0 || x == 2 || x == 3 ) { System . out . println ( " YES " ) ; } else { System . out . println ( " NO " ) ; } }
(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 (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal) (decimal_integer_literal)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) 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: (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) right: (decimal_integer_literal))) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (identifier) right: (decimal_integer_literal)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))