import sys
def ByteToHex(byteStr): return '%02X' % ord(byteStr)
try:
counter = {}
for bytes in open(sys.argv[1], "rb").read():
counter[ByteToHex(bytes)] = counter.get(ByteToHex(bytes), 0) + 1
peak = max(counter.values())
for key, value in sorted(counter.items(), key=lambda x:(x)):
print '%s: %06d %s' % (key, value, '-' * (68 * value/peak))
except Exception, e:
print e