s=input()
a=[int(c) for c in s]
if a[4]==0:
    if a[5]<=2:
        print('winter')
    if a[5]>=3 and a[5]<=5:
        print('spring')
    if a[5]>=6 and a[5]<=8:
        print('summer')
    if a[5]==9:
        print('autumn')
if a[4]==1:
    if a[5]==2:
        print('winter')
    else :
        print('autumn')