str2int = {"zero":0,"one": 1, "two": 2, "three": 3, "four": 4, "five": 5, "six": 6, "seven": 7, "eight": 8, "nine": 9} while True: try: intput_str = input() str_list = intput_str.split(" ") trans_list = [] for item in str_list: if item in str2int: trans_list.append(str2int[item]) else: trans_list.append(item) temp_str = "" result_list = [] for item in trans_list: if item != "+" and item != "=": temp_str = temp_str + str(item) else: result_list.append(int(temp_str)) temp_str = "" value=result_list[0] + result_list[1] if value==0: break print("{:d}".format(value), end="\n") except EOFError: break