from itertools import product

N, M = map(int, input().split())
A = list(map(int, input().split()))
G = [[] for i in range(N)]
for i in range(M):
	u, v = map(int, input().split())
	u -= 1; v -= 1;
	G[u].append(v)
	G[v].append(u)
for S in product([0, 1], repeat = N):
	c = [sum(S[to] for to in G[i]) for i in range(N)]
	if c == A:
		print("Yes")
		print(*S)
		exit()
print("No")