题解 | #字符串字符匹配#

# -*-coding:utf-8-*-
while True:
    try:
        input_m = input()
        input_n = input()
        flag=''
        for i in input_m:
            if i not in input_n:
                flag='false'
                break
            else:
                flag = 'true'
        print(flag)


    except:
        break