N,M=map(int,input().split())
A=list(map(int,input().split()))
from itertools import product
G=[[] for i in range(N)]
for i in range(M):
  a,b=map(int,input().split())
  G[a-1].append(b-1)
  G[b-1].append(a-1)
for B in product(range(2),repeat=N):
  v=[0]*N
  for i in range(N):
    for j in G[i]:
      v[i]+=B[j]
  if v==A:
    print('Yes')
    C=list(B)
    print(*C)
    exit()
print('No')