public static void main ( String [ ] args ) throws IOException {
  Scanner in = new Scanner ( System . in ) ;
  PrintWriter out = new PrintWriter ( System . out ) ;
  int n = in . nextInt ( ) ;
  StringBuilder st = new StringBuilder ( ) ;
  st . append ( "<3" ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    st . append ( in . next ( ) ) ;
    st . append ( "<3" ) ;
  }
  String all = st . toString ( ) ;
  String s = in . next ( ) ;
  int i = 0 ;
  for ( Character c : s . toCharArray ( ) ) {
    if ( i < all . length ( ) && c . equals ( all . charAt ( i ) ) ) {
      i ++ ;
    }
  }
  if ( i == all . length ( ) ) {
    out . println ( "yes" ) ;
  }
  else {
    out . println ( "no" ) ;
  }
  out . flush ( ) ;
}

public static void main ( String [ ] args ) throws IOException { Scanner in = new Scanner ( System . in ) ; PrintWriter out = new PrintWriter ( System . out ) ; int n = in . nextInt ( ) ; StringBuilder st = new StringBuilder ( ) ; st . append ( " < 3" ) ; for ( int i = 0 ; i < n ; i ++ ) { st . append ( in . next ( ) ) ; st . append ( " < 3" ) ; } String all = st . toString ( ) ; String s = in . next ( ) ; int i = 0 ; for ( Character c : s . toCharArray ( ) ) { if ( i < all . length ( ) && c . equals ( all . charAt ( i ) ) ) { i ++ ; } } if ( i == all . length ( ) ) { out . println ( " yes " ) ; } else { out . println ( " no " ) ; } out . flush ( ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_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: (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)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_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: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))))) (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: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (enhanced_for_statement type: (type_identifier) name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))) consequence: (block (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) consequence: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal))))) alternative: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (string_literal)))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))