N, K, X = map(int, input().split())
before = [i for i in range(1, N + 1)]
nokori = []
for i in range(K): # 位置が与えられる
    a, b = input().split()
    if i == X - 1:
        continue
    a = int(a) - 1
    b = int(b) - 1
    if i < X - 1:
        before[a], before[b] = before[b], before[a]
    elif i > X - 1:
        nokori.append((a, b))

C = list(map(int, input().split()))
nokori.reverse()

for a, b in nokori:
    C[a], C[b] = C[b], C[a]

# C vs before 見比べる
diff = []
for i in range(N):
    if before[i] != C[i]:
        diff.append(i + 1)
print(*diff)