package lesson_2; public class Frame_23 { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println(isSpring(6)); System.out.println(isSpring(4)); } static int isSpring(int month){ int result=1; if (month<1 || month>12){ result=-1; } else { if (month<3 || month>5){ result=0;} } return(result); } }