import sys globalvars = {} localvars = {} 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 += "\n" + l[4:] c = compile(snippet, '', 'single') try: exec c in globalvars, localvars except Exception, inst: print repr(inst)