N, K, X = map(int, input().split())
l = [i for i in range(1, N + 1)]
l_c = []
s = 0

for i in range(X - 1):
    a, b = map(int, input().split())
    s = l[a - 1]
    l[a - 1] = l[b - 1]
    l[b - 1] = s

q_input = input()


for i in range(K - X):
    l_c.append(list(map(int, input().split())))

l_last = list(map(int, input().split()))
l_c.reverse()

for l_i in l_c:
    s = l_last[l_i[0] - 1]
    l_last[l_i[0] - 1] = l_last[l_i[1] - 1]
    l_last[l_i[1] - 1] = s
ans = ""
print(l)
print(l_last)
for i in range(N):
    if l[i] != l_last[i]:
        ans += str(i + 1) + " "

print(ans)