牛客260386943号:s = input() s = s.replace("{", "(") s = s.replace("}", ")") s = s.replace("[", "(") s = s.replace("]", ")") res = str(eval(s)) if "." not in res: print(int(eval(s))) else: sm_ = res.split(".")[1] if sm_=="0" and len(sm_)==1: print(int(eval(s))) else: print(float(eval(s)))