#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ld=long double;
const ll ILL=2167167167167167167;
const int INF=2100000000;
#define rep(i,a,b) for (int i=(int)(a);i<(int)(b);i++)
#define all(p) p.begin(),p.end()
template<class T> using _pq = priority_queue<T, vector<T>, greater<T>>;
template<class T> ll LB(vector<T> &v,T a){return lower_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> ll UB(vector<T> &v,T a){return upper_bound(v.begin(),v.end(),a)-v.begin();}
template<class T> bool chmin(T &a,T b){if(a>b){a=b;return 1;}else return 0;}
template<class T> bool chmax(T &a,T b){if(a<b){a=b;return 1;}else return 0;}
template<class T> void So(vector<T> &v) {sort(v.begin(),v.end());}
template<class T> void Sore(vector<T> &v) {sort(v.begin(),v.end(),[](T x,T y){return x>y;});}
bool yneos(bool a,bool upp=0){if(a){cout<<(upp?"YES\n":"Yes\n");}else{cout<<(upp?"NO\n":"No\n");}return a;}
template<class T> void vec_out(vector<T> &p,int ty=0){
    if(ty==2){cout<<'{';for(int i=0;i<(int)p.size();i++){if(i){cout<<",";}cout<<'"'<<p[i]<<'"';}cout<<"}\n";}
    else{if(ty==1){cout<<p.size()<<"\n";}for(int i=0;i<(int)(p.size());i++){if(i) cout<<" ";cout<<p[i];}cout<<"\n";}}
template<class T> T vec_min(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmin(ans,x);return ans;}
template<class T> T vec_max(vector<T> &a){assert(!a.empty());T ans=a[0];for(auto &x:a) chmax(ans,x);return ans;}
template<class T> T vec_sum(vector<T> &a){T ans=T(0);for(auto &x:a) ans+=x;return ans;}
int pop_count(long long a){int res=0;while(a){res+=(a&1),a>>=1;}return res;}



void solve();
// CITRUS CURIO CITY / FREDERIC
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int t = 1;
    // cin >> t;
    rep(i, 0, t) solve();
}

void solve(){
    int N, M, Q;
    cin >> N >> M >> Q;
    struct edge{
        int to;
        ll wei;
    };
    vector<vector<edge>> G(N);
    vector<vector<int>> H(N);
    rep(i, 0, M){
        ll a, b;
        cin >> a >> b;
        ll A = (a % N + N) % N;
        ll B = ((a + b) % N + N) % N;
        G[A].push_back({(int)(B), b});
        H[B].push_back((int)(A));
    }
    vector<int> dp(N), pare(N, -1);
    vector<ll> pot(N);
    auto dfs = [&](auto self, int var) -> void {
        for (auto [to, wei] : G[var]){
            if (pare[to] == -1){
                pare[to] = var;
                pot[to] = pot[var] + wei;
                self(self, to);
            }
            else{
                if (pot[to] != pot[var] + wei){
                    dp[var]++;
                    if (pare[to] >= 0){
                        dp[pare[to]]--;
                    }
                }
            }
        }
        if (pare[var] >= 0) dp[pare[var]] += dp[var];
    };
    rep(i, 0, N){
        pare[i] = -2;
        dfs(dfs, i);
    }
    vec_out(dp);
    vector<int> order;
    rep(i, 0, N){
        if (dp[i]) order.push_back(i);
    }
    rep(rp, 0, order.size()){
        int a = order[rp];
        for (auto x : H[a]) if (dp[x] == 0){
            dp[x] = 1;
            order.push_back(x);
        }
    }

    while (Q--){
        int x;
        cin >> x;
        x = (x % N + N) % N;
        yneos(dp[x]);
    }
}