Leapfrogging by leonid

while 1:
 r=`input()`;p=0;s=''
 for n in sorted(r):i=r.find(n);k=i>=p;s+='<>'[k]+`p-i-k`[k];p=i+k
 print s

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

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