import sys

a=input()
b=int(a[-2]+a[-1])
if b==3 or b==4 or b==5:
    print('spring')
elif b==6 or b==7 or b==8:
    print('summer')
elif b==9 or b==10 or b==11:
    print('autumn')
elif b==12 or b==1 or b==2:
    print('winter')