public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int k = scan . nextInt ( ) ;
  int l = scan . nextInt ( ) ;
  int m = scan . nextInt ( ) ;
  int n = scan . nextInt ( ) ;
  int d = scan . nextInt ( ) ;
  int t = 0 ;
  for ( int i = 1 ;
  i <= d ;
  i ++ ) {
    if ( i % k == 0 || i % l == 0 || i % m == 0 || i % n == 0 ) ;
    else t ++ ;
  }
  System . out . print ( ( d - t ) ) ;
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int k = scan . nextInt ( ) ; int l = scan . nextInt ( ) ; int m = scan . nextInt ( ) ; int n = scan . nextInt ( ) ; int d = scan . nextInt ( ) ; int t = 0 ; for ( int i = 1 ; i <= d ; i ++ ) { if ( i % k == 0 || i % l == 0 || i % m == 0 || i % n == 0 ) ; else t ++ ; } System . out . print ( ( d - t ) ) ; }
(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)))) (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: (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: (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: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) right: (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal)))) alternative: (expression_statement (update_expression (identifier)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))))))