#Name:Rosa Wu
#Update date:2019.03.20
#Problem statement:Determine two input array that whether second array is a subset of 1st array or not.

def isSubset(array1,array2):

    a1 = array1.split(",")
    arraylen1 = len(array1)
    a2 = array2.split(",")
    arraylen2 = len(array2)
    data = dict()

    #Input all the 1st array char in dictionary.
    for i in range(arraylen1):
        data[array1[i]]=i

    #Check each char in 2nd array whether in dictionary or not.
    tf = 1
    for i in range(arraylen2):
        if(data.get(array2[i]) == None):
            print("false")
            tf = 0
            break

    if tf == 1:
        print("true")

array1 = raw_input("array1 input:")
array2 = raw_input("array2 input:")
isSubset(array1,array2)