import java.util.*;
public class SelectionEx4 {
public static void main(String() args) {
Scanner m = new Scanner(System.in);
System.out.print("월을 입력하시오:");
int month = m.nextInt();
String name;
switch(month){
case 1: case 2: case 3: name = "1사분기"; break;
case 4: case 5: case 6: name = "2사분기"; break;
case 7: case 8: case 9: name = "3사분기"; break;
case 10: case 11: case 12: name = "4사분기"; break;
default: name = "잘못 선택했어요.";
}
System.out.println(name);
m.close();
}
}