N, M = map(int, input().split())
A = list(map(int, input().split()))
G = [[] for _ in range(N)]
for _ in range(M):
    u, v = map(int, input().split())
    u, v = u-1, v-1
    G[u].append(v)
    G[v].append(u)

for bit in range(1<<N):
    for i in range(N):
        SUM = 0
        for v in G[i]:
            if 1<<v & bit:
                SUM += 1
        if SUM != A[i]:
            break
    else:
        print("Yes")
        print(*[bit>>i & 1 for i in range(N)])
        break
else:
    print("No")