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

st = set()
for i in range(n1):
    st.add(arr1[i])

for i in range(n2):
    if arr2[i] not in st:
        print("Arr2 is not a subset of Arr1")
        exit()

print("Arr2 is a subset of Arr1")