n,K,X=map(int,input().split())
c=[]
for i in range(K):
  a,b=input().split()
  if i!=X-1:
    c+=[(int(a)-1,int(b)-1)]
  else:
    c+=[(-1,-1)]
p1=list(range(n))
p2=list(map(int,input().split()))
for i in range(n):
  p2[i]-=1
for i in range(X-1):
  a,b=c[i]
  p1[a],p1[b]=p1[b],p1[a]
for i in reversed(range(X,K)):
  a,b=c[i]
  p2[a],p2[b]=p2[b],p2[a]
c=[]
for i in range(n):
  if p1[i]!=p2[i]:
    c+=[i+1]
print(*c)