public static void main ( String [ ] args ) {
  FastReader in = new FastReader ( ) ;
  int k = in . nextInt ( ) ;
  long n = 1 ;
  int i = 0 ;
  String s = "" ;
  while ( s . length ( ) < k ) {
    s += n ;
    n ++ ;
  }
  System . out . println ( s . charAt ( k - 1 ) ) ;
}

public static void main ( String [ ] args ) { FastReader in = new FastReader ( ) ; int k = in . nextInt ( ) ; long n = 1 ; int i = 0 ; String s = " " ; while ( s . length ( ) < k ) { s += n ; n ++ ; } System . out . println ( s . charAt ( k - 1 ) ) ; }
(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)))) (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))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (string_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) right: (identifier))) body: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)))))))))