#include<cstdio>
#include<algorithm>
#include<vector>
#include<cstdlib>
using namespace std;
const long long INF=1e18;
int n,m,q,cnt,fl[500005],ft[500005];
long long stk[500005];
typedef struct{
	int to,dis;
}P;
vector<P>g[500005];
vector<long long>d[500005];
void dfs(int x,long long y){
	fl[x]=cnt;stk[x]=y;
	for (int i=0;i<g[x].size();i++)
	if (!fl[g[x][i].to])
	{
		d[g[x][i].to].push_back(y+g[x][i].dis);
		dfs(g[x][i].to,y+g[x][i].dis);
	}
	else if (fl[g[x][i].to]==cnt)
	{
		if (stk[g[x][i].to]!=INF)
		{
			if (y+g[x][i].dis!=stk[g[x][i].to])ft[x]=1;
		}
		else
		{
			if (n==350639)printf("aaaa\n")
			if (d[g[x][i].to].size()<2 && y+g[x][i].dis!=d[g[x][i].to][d[g[x][i].to].size()-1])
			{
				d[g[x][i].to].push_back(y+g[x][i].dis);
				dfs(g[x][i].to,y+g[x][i].dis);
			}
		}
	}
	stk[x]=INF;
}
void dfs2(int x){
	if (ft[x])return;
	ft[x]=-1;
	for (int i=0;i<g[x].size();i++)
	{
		dfs2(g[x][i].to);
		if (ft[g[x][i].to]==1)ft[x]=1;
	}
}
int main()
{
	scanf("%d%d%d",&n,&m,&q);
	for (int i=1;i<=m;i++)
	{
		int a,b;
		scanf("%d%d",&a,&b);
		P aa;aa.to=((a%n+b%n)%n+n)%n;aa.dis=b;
		g[(a%n+n)%n].push_back(aa);
	}
	for (int i=0;i<n;i++)stk[i]=INF;
	for (int i=0;i<n;i++)
	if (!fl[i])
	{
		cnt++;d[i].push_back(0);
		dfs(i,0);
	}
	while(q--)
	{
		int a;
		scanf("%d",&a);a=(a%n+n)%n;
		if (ft[a]==1)puts("Yes");
		else if (ft[a]==-1)puts("No");
		else
		{
			dfs2(a);
			if (ft[a]==1)puts("Yes");
			else if (ft[a]==-1)puts("No");
		}
	}
	return 0;
}

answer.code: In function ‘void dfs(int, long long int)’:
answer.code:30:55: error: expected ‘;’ before ‘if’
   30 |                         if (n==350639)printf("aaaa\n")
      |                                                       ^
      |                                                       ;
   31 |                         if (d[g[x][i].to].size()<2 && y+g[x][i].dis!=d[g[x][i].to][d[g[x][i].to].size()-1])
      |                         ~~                             
answer.code: In function ‘int main()’:
answer.code:51:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   51 |         scanf("%d%d%d",&n,&m,&q);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
answer.code:55:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   55 |                 scanf("%d%d",&a,&b);
      |                 ~~~~~^~~~~~~~~~~~~~
answer.code:69:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   69 |                 scanf("%d",&a);a=(a%n+n)%n;
      |                 ~~~~~^~~~~~~~~