class UnionFind:
    def __init__(self, n):
        self.n = n
        self.parents = [-1] * n
        self.group = n
        self.ans = [0] * n
        self.child = [[i] for i in range(n)]

    def find(self, x):
        if self.parents[x] < 0:
            return x
        else:
            self.parents[x] = self.find(self.parents[x])
            return self.parents[x]

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

        if x == y:
            return
        self.group -= 1
        if self.parents[x] > self.parents[y]:
            x, y = y, x
        p = self.find(0)
        if x == p:
            for j in self.child[y]:
                self.ans[j] = i
        elif y == p:
            for j in self.child[x]:
                self.ans[j] = i


        self.parents[x] += self.parents[y]
        self.parents[y] = x
        for c in self.child[y]:
            self.child[x].append(c)

    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 self.group

    def all_group_members(self):
        dic = {r:[] for r in self.roots()}
        for i in range(self.n):
            dic[self.find(i)].append(i)
        return dic

    def __str__(self):
        return '\n'.join('{}: {}'.format(r, self.members(r)) for r in self.roots())

n, m, q = map(int, input().split())
edges = set(tuple(map(int, input().split())) for _ in range(m))
cd = []
for _ in range(q):
    c, d = map(int, input().split())
    cd.append((c, d))
    edges.remove((c, d))

UF = UnionFind(n)
for a, b in edges:
    UF.union(a - 1, b - 1, -1)

for i in range(q - 1, -1, -1):
    c, d = cd[i]
    UF.union(c - 1, d - 1, i + 1)
print(*UF.ans[1:], sep="\n")