import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

/*
*作者：黄阳
*日期20150112
*/



public class Test1 {
     public static void main (String args[]) {
          try {
          InputStreamReader isr = new  InputStreamReader(System.in);
          BufferedReader br = new BufferedReader(isr);
         
          System.out.println("请输入一个数字");
         
              
                    String a= br.readLine();
                   
                    float num1 = Float.parseFloat(a);
                   
                    if(num1>18||num1==18){
                         System.out.println("你要对自己的行为负责");
                    }else {
                         System.out.println("小孩子 下次注意点");
                    }
                   
                   
               } catch (IOException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
               }
              
         
         
         
}
}