import java.util.*;
public class Example3_4{
public static void main(String arg[]){
Scanner reader =new Scanner(System.in);
System.out.println("输入一个月份:");
int n=reader.nextInt();
switch(n){
case 1:
case 2:
case 3:System.out.printf("%d月属于第一季度",n);
break;
case 4:
case 5:
case 6:System.out.printf("%d月属于第二季度",n);
break;
case 7:
case 8:
case 9:System.out.printf("%d月属于第三季度",n);
break;
case 10:
case 11:
case 12:System.out.printf("%d月属于第四季度",n);
break;
default:System.out.printf("%d不代表月份",n);
}
}
}