import sys for line in sys.stdin: line = line.strip() if line == '#': break if not line: continue # 获取模式和比特部分 mode = line[-1] bits = line[:-1] count = bits.count('1') # 判断需要补0还是1 if mode == 'e': append = '0' if count % 2 == 0 else '1' else: # mode == 'o' append = '1' if count % 2 == 0 else '0' print(f"{bits}{append}")