from collections import deque


def bfs(s):
    dq = deque()
    dq.append([s, 0])
    high = [10**9 for _ in range(N)]
    high[s] = 0
    while len(dq) != 0:
        p, h = dq.popleft()
        for e in edge[p]:
            if high[e] == 10**9:
                dq.append([e, h + 1])
                high[e] = h + 1
    return high

from collections import defaultdict


class UnionFind():
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n

    def find(self, x):
        way=[]
        while True:
            if self.parents[x] < 0:
                break
            else:
                way.append(x)
                x=self.parents[x]
        for w in way:
            self.parents[w]=x
        return x

    def union(self, x, y):
        x = self.find(x)
        y = self.find(y)

        if x == y:
            return

        if self.parents[x] > self.parents[y]:
            x, y = y, x

        self.parents[x] += self.parents[y]
        self.parents[y] = x

    def size(self, x):
        return -self.parents[self.find(x)]

    def same(self, x, y):
        return self.find(x) == self.find(y)

    def members(self, x):
        root = self.find(x)
        return [i for i in range(self.n) if self.find(i) == root]

    def roots(self):
        return [i for i, x in enumerate(self.parents) if x < 0]

    def group_count(self):
        return len(self.roots())

    def all_group_members(self):
        group_members = defaultdict(list)
        for member in range(self.n):
            group_members[self.find(member)].append(member)
        return group_members

    def __str__(self):
        return '\n'.join(f'{r}: {m}' for r, m in self.all_group_members().items())
    


N,M,K=map(int,input().split())
X=list(map(int,input().split()))
edge=[[] for _ in range(N)]
uf=UnionFind(N)
for _ in range(M):
    u,v=map(int,input().split())
    edge[u-1].append(v-1)
    edge[v-1].append(u-1)
    uf.union(u-1,v-1)
for i in range(K):
    if not uf.same(X[i]-1,X[0]-1):
        print('No')
        exit(0)
#連結か？
dist=[b%2 for b in bfs(0)]
for i in range(N):
    if uf.same(i,X[0]-1):
        for e in edge[i]:
            if dist[i]==dist[e]:
                print('Yes')
                exit(0)
Set=set()
for i in range(K):
    Set.add(dist[X[i]-1])
if len(Set)==1:
    print('Yes')
else:
    print('No')