def readints():
    return list(map(int, input().split()))

def main():
    n, k, x = readints()

    xs = list(range(n))
    for i in range(x-1):
        a, b = readints()
        xs[a-1], xs[b-1] = xs[b-1], xs[a-1]

    input() # read X
    swaps = []
    for i in range(k - x):
        swaps.append(readints())

    ys = [i-1 for i in readints()]
    for a, b in reversed(swaps):
        ys[a-1], ys[b-1] = ys[b-1], ys[a-1]

    ans = []
    for i in range(len(xs)):
        if xs[i] != ys[i]:
            ans.append(i + 1)

    ans.sort()
    print(ans[0], ans[1])

main()