N,M = map(int,input().split())
A = list(map(int,input().split()))

lis = [ [] for i in range(N) ]
e = []

for i in range(M):
    u,v = map(int,input().split())
    u -= 1
    v -= 1
    lis[u].append(v)
    lis[v].append(u)
    e.append( (u,v) )

for bit in range(2**N):

    p = [1 if 2**i&bit else 0 for i in range(N)]
    B = [0] * N

    for u,v in e:
        B[u] += p[v]
        B[v] += p[u]

    if A == B:
        print ("Yes")
        print (*p)
        break

else:
    print ("No")