# coding: utf-8
from itertools import product, groupby
s=["○", "○", "○", "△", "△", "×"]
print sorted(((lambda h:(h[0], len(h)))(list(g))
              for _,g in groupby(sorted(map(lambda i:''.join(sorted(i)),
                                            product(s, repeat=2))))),
             key=lambda (l,r):r,
             reverse=True)