public static void main ( String [ ] args ) {
  sc = new Scanner ( System . in ) ;
  String str = sc . next ( ) ;
  int len = str . length ( ) ;
  int midLen = len - 2 ;
  System . out . print ( str . substring ( 0 , 1 ) + midLen + str . substring ( len - 1 , len ) ) ;
}

public static void main ( String [ ] args ) { sc = new Scanner ( System . in ) ; String str = sc . next ( ) ; int len = str . length ( ) ; int midLen = len - 2 ; System . out . print ( str . substring ( 0 , 1 ) + midLen + str . substring ( len - 1 , len ) ) ; }
(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 (assignment_expression left: (identifier) right: (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: (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: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (binary_expression left: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal) (decimal_integer_literal))) right: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (identifier)))))))))