#include <bits/stdc++.h>
using namespace std;
using namespace chrono;

using ll = long long;
using ull = unsigned long long;

string to_string(const string &s) {
  return '"' + s + '"';
}

string to_string(bool b) {
  return b ? "true" : "false";
}

template <typename A, typename B>
string to_string(const pair<A, B> &p) {
  return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}

template <typename T>
string to_string(const T &v) {
  string s = "{";
  bool first = true;
  for (const auto &it : v) {
    if (!first)
      s += ", ";
    else
      first = false;
    s += to_string(it);
  }
  return s += "}";
}

void debug_out() {
  cerr << endl;
}

template <typename T, typename... Args>
void debug_out(const T &first, const Args&... rest) {
  cerr << to_string(first) << " ";
  debug_out(rest...);
}

#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

auto startTime = high_resolution_clock::now();
int get_time() {
  auto stopTime = chrono::high_resolution_clock::now();
  auto duration = duration_cast<milliseconds>(stopTime - startTime);
  return duration.count(); // in ms
}

const int DIM = 5e5 + 5;

bool cyc[DIM];
int viz[DIM];
ll sum[DIM];
vector<pair<int, int>> v[DIM];

void dfs(int nod) {
  viz[nod] = 1;
  for (auto it : v[nod]) {
    if (!viz[it.first]) {
      sum[it.first] = sum[nod] + it.second;
      dfs(it.first);
      cyc[nod] |= cyc[it.first];
    } else if (viz[nod] == 1) {
      if (sum[nod] - sum[it.first] + it.second != 0) {
        cyc[nod] = true;
      }
    }

    if (cyc[it.first]) {
      cyc[nod] |= cyc[it.first];
    }
  }
  viz[nod] = 2;
}

void dfs2(int nod) {
  viz[nod] = 3;
  for (auto it : v[nod]) {
    if (viz[it.first] < 3) {
      dfs2(it.first);
    }
    cyc[nod] |= cyc[it.first];
  }
  viz[nod] = 4;
}

void solve() {
  int n, m, q;
  cin >> n >> m >> q;

  for (int i = 1; i <= m; ++i) {
    int a, b, x, y;
    cin >> a >> b;
    if (b == 0)
      continue;
    x = (a % n + n) % n;
    y = (a + b % n + n) % n;

    v[x].push_back({y, b});
  }

  for (int i = 0; i < n; ++i) {
    viz[i] = 0;
    sum[i] = 0;
    cyc[i] = false;
  }

  for (int i = 0; i < n; ++i) {
    if (!viz[i])
      dfs(i);
  }

  for (int i = 0; i < n; ++i) {
    if (viz[i] < 3)
      dfs2(i);
  }

  for (int i = 1; i <= q; ++i) {
    int x;
    cin >> x;
    x = (x % n + n) % n;
    if (cyc[x]) {
      cout << "Yes\n";
    } else {
      cout << "No\n";
    }
  }
}

int main() {
  cin.tie(NULL);
  ios_base::sync_with_stdio(false);

  int t = 1;
//  cin >> t;
  while (t--)
    solve();

  return 0;
}