N,K,X=map(int,input().split())
L=[i+1 for i in range(N)]
for i in range(X-1):
    A,B=map(int,input().split())
    L[A-1],L[B-1]=L[B-1],L[A-1]
p=list(input())
S=[]
for i in range(X,K):
    A,B=map(int,input().split())
    S.append([A-1,B-1])
S=S[::-1]
#print(S)
l=list(map(int,input().split()))
#print(l)
for i in range(len(S)):
    l[S[i][0]],l[S[i][1]]=l[S[i][1]],l[S[i][0]]
#print(L)
#print(l)
ans=[]
for i in range(N):
    if L[i]!=l[i]:
        ans.append(i+1)
print(ans[0],ans[1])