import sys
def show(f):
    d=open(f,'rb').read()
    n=d[0]|d[1]<<8
    print(f,'len',n,'file',len(d))
    print('code:',d[2:2+n].hex(' '))
    t=d[2+n:]
    print('tail:',t.hex(' '))
    print('asc :',''.join(chr(b) if 32<=b<127 else '.' for b in t))
for f in sys.argv[1:]: show(f)