import java.util.Scanner; public class Main{ public static void main (String[] args){ Scanner scanner = new Scanner(System.in); // 读取输入的整数 int n = scanner.nextInt(); // 判断能否同时被3和5整除 // 同时被3和5整除等价于能被15整除 if (n % 3 == 0 && n % 5 == 0) { System.out.println("can"); } else { System.out.println("cannot"); } scanner.close(); } }