public static void main ( String [ ] args ) {
  Scanner scanner = new Scanner ( new BufferedInputStream ( System . in ) ) ;
  int lengthOfN = scanner . nextInt ( ) ;
  int lengthOfM = scanner . nextInt ( ) ;
  String n = scanner . next ( ) ;
  String m = scanner . next ( ) ;
  boolean flag = true ;
  int index = 0 ;
  for ( int i = 0 ;
  i < n . length ( ) ;
  i ++ ) {
    if ( n . charAt ( i ) == '*' ) {
      index = i ;
      flag = false ;
      break ;
    }
  }
  if ( flag ) {
    if ( n . equals ( m ) ) {
      System . out . println ( "YES" ) ;
    }
    else {
      System . out . println ( "NO" ) ;
    }
  }
  else {
    String temp1 = n . substring ( 0 , index ) ;
    String temp2 = n . substring ( index + 1 ) ;
    if ( temp1 . length ( ) + temp2 . length ( ) > m . length ( ) ) {
      System . out . println ( "NO" ) ;
      return ;
    }
    String temp3 = m . substring ( 0 , temp1 . length ( ) ) ;
    String temp4 = m . substring ( m . length ( ) - temp2 . length ( ) ) ;
    if ( temp3 . equals ( temp1 ) && temp4 . equals ( temp2 ) ) {
      System . out . println ( "YES" ) ;
    }
    else {
      System . out . println ( "NO" ) ;
    }
  }
}

public static void main ( String [ ] args ) { Scanner scanner = new Scanner ( new BufferedInputStream ( System . in ) ) ; int lengthOfN = scanner . nextInt ( ) ; int lengthOfM = scanner . nextInt ( ) ; String n = scanner . next ( ) ; String m = scanner . next ( ) ; boolean flag = true ; int index = 0 ; for ( int i = 0 ; i < n . length ( ) ; i ++ ) { if ( n . charAt ( i ) == ' * ' ) { index = i ; flag = false ; break ; } } if ( flag ) { if ( n . equals ( m ) ) { System . out . println ( " YES " ) ; } else { System . out . println ( " NO " ) ; } } else { String temp1 = n . substring ( 0 , index ) ; String temp2 = n . substring ( index + 1 ) ; if ( temp1 . length ( ) + temp2 . length ( ) > m . length ( ) ) { System . out . println ( " NO " ) ; return ; } String temp3 = m . substring ( 0 , temp1 . length ( ) ) ; String temp4 = m . substring ( m . length ( ) - temp2 . length ( ) ) ; if ( temp3 . equals ( temp1 ) && temp4 . equals ( temp2 ) ) { 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 (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (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: (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: (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: (true))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_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: (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: (character_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (false))) (break_statement))))) (if_statement condition: (parenthesized_expression (identifier)) consequence: (block (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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))))))) alternative: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (identifier))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) (return_statement))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (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 (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))))) (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 (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))))))))))