# Soon(TM) - ChrRaces.dbc: header declares 18 records, file holds 50.
# 32 hidden "Ogre" records (IDs 101..132) each carry 1 char in the name field (17).
import struct, sys
d = open(sys.argv[1] if len(sys.argv) > 1 else 'files/ChrRaces.dbc', 'rb').read()
magic, n, nf, rs, ss = struct.unpack('<4s4I', d[:20])
real = (len(d) - 20 - ss) // rs
sb = d[20 + real * rs:]
s = lambda o: sb[o:sb.index(b'\0', o)].decode()
recs = [struct.unpack('<%dI' % nf, d[20 + i*rs:20 + (i+1)*rs]) for i in range(real)]
hidden = sorted(recs[n:], key=lambda r: r[0])
print(''.join(s(r[17]) for r in hidden))