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

graph = [[] for _ in range(N)]
for _ in range(M):
    U, V = map(lambda x: int(x) - 1, input().split())
    graph[U].append(V)
    graph[V].append(U)

for bitset in range(1 << N):
    is_valid = True
    
    for i in range(N):
        sum_value = 0
        for v in graph[i]:
            if (bitset >> v) & 1:
                sum_value += 1
        
        if sum_value != A[i]:
            is_valid = False
            break
    
    if is_valid:
        print('Yes')
        print(*[(bitset >> i) & 1 for i in range(N)])
        exit()

print('No')