x = int(input())

sprig = [3, 4, 5]
summer = [6, 7, 8]
fall = [9, 10, 11]
winter = [12, 1, 2]

if x in sprig:
    print('spring')
elif x in summer:
    print('summer')
elif x in fall:
    print('fall')
else:
    print('winter')