def is_in_logstr(ss: str, ls: str):
    for i in ss:
        # print(i)
        if i not in ls:
            return "false"
    return "true"


while True:
    try:
        ss: str = input()
        ls: str = input()
        # print(ss, ls)
        print(is_in_logstr(ss, ls))
    except:
        break