public class switch_meses {
    public static void main (String[] arg) {
		String dia_m;
		System.out.println("Ingresar mes");
		dia_m = System.console().readLine();
		
		String mes;
		
		switch (dia_m) 
		{
			case "12":
				
			
			case "1":
				
			
			case "2":		
				mes = "Verano";
				break;
			case "3":
				
			case "4":
				
			case "5": 
				
				mes = "Otonio";
				break;
			case "6":
				
			case "7":
				
			case "8":				
				mes = "invierno";
				break;
				
			case "9":
				
			case "10":
				
			case "11":
				mes = "Primavera";
				break;
			
			default: mes = "lang inválido";
			break;
		
		}
		System.out.println(mes);
		
	}
}