public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int cases = sc . nextInt ( ) ;
  sc . nextLine ( ) ;
  while ( cases > 0 ) {
    String s = sc . nextLine ( ) ;
    String t = sc . nextLine ( ) ;
    boolean flag = false ;
    a : {
      for ( int i = 0 ;
      i < s . length ( ) ;
      i ++ ) {
        for ( int j = 0 ;
        j < t . length ( ) ;
        j ++ ) {
          if ( s . charAt ( i ) == t . charAt ( j ) ) {
            flag = true ;
            break a ;
          }
        }
      }
    }
    if ( flag ) {
      System . out . println ( "YES" ) ;
    }
    else {
      System . out . println ( "NO" ) ;
    }
    cases -- ;
  }
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int cases = sc . nextInt ( ) ; sc . nextLine ( ) ; while ( cases > 0 ) { String s = sc . nextLine ( ) ; String t = sc . nextLine ( ) ; boolean flag = false ; a : { for ( int i = 0 ; i < s . length ( ) ; i ++ ) { for ( int j = 0 ; j < t . length ( ) ; j ++ ) { if ( s . charAt ( i ) == t . charAt ( j ) ) { flag = true ; break a ; } } } } if ( flag ) { System . out . println ( " YES " ) ; } else { System . out . println ( " NO " ) ; } cases -- ; } }
(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: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) body: (block (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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (boolean_type) declarator: (variable_declarator name: (identifier) value: (false))) (labeled_statement (identifier) (block (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 (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (true))) (break_statement (identifier)))))))))) (if_statement condition: (parenthesized_expression (identifier)) 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)))))) (expression_statement (update_expression (identifier)))))))