import javax.swing.*;
public class j04254{
  public static void main(String[] adsf){
    boolean flag = true;
    int month=0;
    while(flag){
      flag = false;
      String monthstr = JOptionPane.showInputDialog(null,"请输入月份1-12");
      try {
        month = Integer.valueOf(monthstr) ;
      } catch (Exception e) {flag = true;}
    }
    switch (month) {
        case 3: case 4: case 5:  {
          JOptionPane.showMessageDialog(null,month+" 月在春天");
          break;
        }
        case 6: case 7: case 8:  {
          JOptionPane.showMessageDialog(null,month+" 月在夏天");
          break;
        }
        case 9: case 10: case 11:{
          JOptionPane.showMessageDialog(null,month+" 月在秋天");
          break;
        }
        case 12: case 1: case 2:{
          JOptionPane.showMessageDialog(null,month+" 月在冬天");
          break;
        }
        default:
          JOptionPane.showMessageDialog(null,"您过的可能不是地球的季节吧~");
    }
  }
}