public static void main ( String args [ ] ) {
  Scanner S = new Scanner ( System . in ) ;
  int n = S . nextInt ( ) ;
  if ( n == 0 ) System . out . println ( "1" ) ;
  else {
    int mod = n % 4 ;
    if ( mod == 1 ) System . out . println ( "8" ) ;
    else if ( mod == 2 ) System . out . println ( "4" ) ;
    else if ( mod == 3 ) System . out . println ( "2" ) ;
    else if ( mod == 0 ) System . out . println ( "6" ) ;
  }
}

public static void main ( String args [ ] ) { Scanner S = new Scanner ( System . in ) ; int n = S . nextInt ( ) ; if ( n == 0 ) System . out . println ( "1" ) ; else { int mod = n % 4 ; if ( mod == 1 ) System . out . println ( "8" ) ; else if ( mod == 2 ) System . out . println ( "4" ) ; else if ( mod == 3 ) System . out . println ( "2" ) ; else if ( mod == 0 ) System . out . println ( "6" ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier) dimensions: (dimensions))) 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)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))))))