import sys
for line in sys.stdin:
    unknown_args = line.split()
    d = {}; opt = None
    for arg in unknown_args:
        if arg.startswith('--'): # O
            opt = arg
            d[opt] = []
        else: # V
            d[opt].append(arg)
    
    with_vals = dict((k, v) for k, v in d.items() if v)
    without_vals = [k for k, v in d.items() if not v]
    print("%s:\t%s %s" % (line.rstrip(), with_vals, without_vals))