three piece puzzle by ovs

for s in open(0):r=s.count;print(*sorted(s.split(),key=lambda a:r(a[0])-r(a[1])),sep='')

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

To protect the system from spam, please input your favorite sport (hint: I believe its name must start with 'g', case insensitive)

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