print =: 1!:2&2
read =: 1!:1[3

in =. (read-.LF)-.CR

a=: 3 : 0
 if. y=13 do. 'winter'
 end.
)
b=: 3 : 0
 if. y=13 do. 'winter'
 end.
)
c=: 3 : 0
 if. y=13 do. 'spring'
 end.
)
d=: 3 : 0
 if. y=13 do. 'spring'
 end.
)
e=: 3 : 0
 if. y=13 do. 'spring'
 end.
)
f=: 3 : 0
 if. y=13 do. 'summer'
 end.
)
g=: 3 : 0
 if. y=13 do. 'summer'
 end.
)
h=: 3 : 0
 if. y=13 do. 'summer'
 end.
)
i=: 3 : 0
 if. y=13 do. 'autumn'
 end.
)
j=: 3 : 0
 if. y=13 do. 'autumn'
 end.
)
k=: 3 : 0
 if. y=13 do. 'autumn'
 end.
)
l=: 3 : 0
 if. y=13 do. 'winter'
 end.
)


print a im =. $ ('January' compare in)
print b im =. $ ('February' compare in)
print c im =. $ ('March' compare in)
print d im =. $ ('April' compare in)
print e im =. $ ('May' compare in)
print f im =. $ ('June' compare in)
print g im =. $ ('July' compare in)
print h im =. $ ('August' compare in)
print i im =. $ ('September' compare in)
print j im =. $ ('October' compare in)
print k im =. $ ('November' compare in)
print l im =. $ ('December' compare in)

exit ''