import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); // 直接输出，用于测试 System.out.println("Input was: " + n); if (n % 3 == 0 && n % 5 == 0) { System.out.println("can"); } else { System.out.println("cannot"); } } }