import sys
qq = (b'"'[0], b"'"[0])
pp = b'ubrfUBRF'

for fn in sys.argv[1:]:
    with open(fn, 'rb') as f:
        lines = f.readlines()
    modified = False
    for i in range(1, len(lines)):
        line1 = lines[i-1].rstrip()
        line2 = lines[i].lstrip()
        if len(line1) > 1 and line1[-1] in qq and line1[-2:-1] != b' ' and line1[-3:-1] != b'\\n' and line1[-2] not in b'|(':
            if ((len(line2) > 1 and line2[0] in qq and line2[1] != b' '[0]) or
                (len(line2) > 2 and line2[1] in qq and line2[0] in pp and line2[2] != b' '[0]) or
                (len(line2) > 3 and line2[2] in qq and line2[0] in pp and line2[1] in pp and line2[3] != b' '[0])
               ):
                lines[i-1] = line1[:-1] + b' ' + line1[-1:] + lines[i-1][len(line1):]
                modified = True
    if modified:
        with open(fn, 'wb') as f:
            f.writelines(lines)