import sys

globalvars = {}

lines = sys.stdin.readlines()

while lines:

    l = lines.pop(0)

    if l.startswith('SALT'):

        print l[:-1]

    elif l.startswith('>>> '):

        snippet = l[4:]

        while lines and lines[0].startswith('... '):

            l = lines.pop(0)

            snippet += l[4:]

        c = compile(snippet, '<heredoc>', 'single')

        try:

            exec c in globalvars

        except Exception, inst:

            print repr(inst)