package main

import "fmt"

func main() {
	fmt.Printf(Season(3))
}

func Season(month int) string {
	switch month {
		case 12,1,2:  return "Winter"
		case 3,4,5:	  return "Spring"
		case 6,7,8:   return "Summer"
		case 9,10,11: return "Autumn"
	}
	return "Season unknown"
}