import sys
readline = sys.stdin.readline

N, K, X = map(int, readline().split())
A, B = [], []
D = list(range(1, N + 1))
for i in range(K):
    a, b = readline().split()
    if a == "?":
        continue
    A.append(int(a)-1)
    B.append(int(b)-1)

C = list(map(int, readline().split()))
for i in range(X - 1):
    a, b = A[i], B[i]
    D[a], D[b] = D[b], D[a]
    
for i in range(K - X):
    a, b = A[K - 2 - i], B[K - 2 - i]
    C[a], C[b] = C[b], C[a]
    
ans = []
for i in range(N):
    if D[i] != C[i]:
        ans.append(i + 1)
        
ans.sort()
print(*ans)