from itertools import combinations, chain
a , b = input().split()
k_l = ["0",]
for i in a:
    k_l.append(i)

z = list(chain.from_iterable(combinations(k_l, r) for r in range(1, len(k_l)+1)))
# print(z)
ans = []
for j in z:
    ans.append(int("".join(j)))

if int(b) in ans:
    print("Yes")
else:
    print("No")