def isSubset(arr1, n1, arr2, n2):
    mp = {}
    for i in range(n1):
        if arr1[i] in mp:
            mp[arr1[i]] += 1
        else:
            mp[arr1[i]] = 1

    for i in range(n2):
        if arr2[i] not in mp or mp[arr2[i]] == 0:
            return False
        mp[arr2[i]] -= 1

    return True

arr1 = [6, 7, 3, 2, 2]
arr2 = [6, 7, 2, 2]
n1 = len(arr1)
n2 = len(arr2)

if isSubset(arr1, n1, arr2, n2):
    print("arr2 is a subset of arr1")
else:
    print("arr2 is not a subset of arr1")