package main

import "fmt"

func main() {
	var x int
	fmt.Scan(&x)

	ans := "spring"
	switch x {
	case 6, 7, 8:
		ans = "summer"
	case 9, 10, 11:
		ans = "fall"
	case 12, 1, 2:
		ans = "winter"
	}
	fmt.Println(ans)
}