N,M = list(map(int,input().split()))
A = list(map(int,input().split()))
edge = [[] for _ in range(N)]
for _ in range(M):
    u,v = list(map(int,input().split()))
    u-=1;v-=1
    edge[u].append(v)
    edge[v].append(u)
    
for i in range(1<<N):
    use = [0] * N
    for j in range(N):
        if(i>>j & 1 == 0):continue
        use[j] = 1
       
    if(all(sum(use[k] for k in edge[j]) == A[j]  for j in range(N))):
        print("Yes")
        print(*use)
        exit()

print("No")