public class HelloWorld {
    public static void main(String[] args) {
        int age=25;
        if(age>60)
        {
            System.out.println("老年");
        }
        else if(age<=60&&age>40)
        {
            System.out.println("中年");
        }
        else if(age<=40&&age>18)
        {
            System.out.println("少年");
        }
        else
        {
            System.out.println("童年");
        }
    
    }
}