n,m=map(int,input().split())
a=list(map(int,input().split()))
es=[]
for i in range(m):
	u,v=map(int,input().split())
	u-=1
	v-=1
	es+=[(u,v)]
for i in range(1<<n):
	b=[(i>>j)&1 for j in range(n)]
	c=[0]*n
	for u,v in es:
		c[u]+=b[v]
		c[v]+=b[u]
	if c==a:
		print("Yes")
		print(*b)
		exit()
print("No")