import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner input = new Scanner(System.in); int number = input.nextInt(); // 处理所有整数（正数、负数、零） boolean divisibleBy3 = (number % 3 == 0); boolean divisibleBy5 = (number % 5 == 0); if (divisibleBy3 && divisibleBy5) { System.out.println("can"); } else { System.out.println("cannot"); } input.close(); } }