val = raw_input() out = "" old_letter = val[0] count = 1 for new_letter in val[1:len(val)]: print '-------' print 'new-' + new_letter print 'old-' + old_letter if old_letter == new_letter: count = count + 1 else: out = out + str(count) + old_letter old_letter=new_letter count = 1 out = out + str(count) + old_letter print out
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