input()
salaries = list(map(int, input().split()))
notes = list(map(int, input().split()))
if len(salaries) > len(notes):
print('NO')
exit()
combo_to_form = {val: [] for val in salaries}
for subset in range(1 << len(notes)):
subset_sum = sum(notes[j] for j in range(subset.bit_length()) if (1 << j) & subset)
if subset_sum in salaries:
combo_to_form[subset_sum].append(subset)
if not all(combo_to_form.values()):
print('NO')
exit()
prev_subsets = {(1 << len(notes)) - 1}
for val in salaries:
new_subsets = set()
for prev in prev_subsets:
for needed in combo_to_form[val]:
if (prev & needed) == needed:
new_subsets.add(prev - needed)
if not new_subsets:
print('NO')
exit()
prev_subsets = new_subsets
print('YES')
