题解 | #字符串字符匹配#

while True:
    try:
        strings1 = input()
        strings2 = input()

        if len(strings1) > len(strings2):
            strings1, strings2 = strings2, strings1

        count_len = 0
        for i in strings1:
            if i in strings2:
                count_len += 1
        if count_len == len(strings1):
            print('true')
        else:
            print('false')

    except:
        break