#include <bits/stdc++.h>
using namespace std;
struct data{
int e,x,y;
bool operator<(const data&r)const{
return x<r.x;
}
};
priority_queue<data> q[100010];
struct answer{
int x,y;
bool operator<(const answer&r)const{
return y>r.y;
}
}ans[300010];
int mn[100010],n,cnt;
int dfs(int p,int y){
if(p==n)return y;
while(!q[p].empty()&&q[p].top().x>=y){
data t=q[p].top();
q[p].pop();
mn[p]=min(mn[p],dfs(t.e,t.y));
}
return mn[p];
}
int main(){
int i,m,a,b,x,y;
scanf("%d%d",&n,&m);
for(i=1;i<=m;++i){
scanf("%d%d%d%d",&a,&b,&x,&y);
q[a].push({b,x,y});
}
for(i=1;i<=n;++i)mn[i]=1e8;
while(!q[1].empty()){
a=q[1].top().x;
ans[cnt++]={a,dfs(1,a)};
}
scanf("%d",&m);
for(;m--;){
answer t;
t.x=0;
scanf("%d",&t.y);
i=lower_bound(ans,ans+cnt,t)-ans;
printf("%d\n",i<cnt?ans[i].x:-1);
}
return 0;
}
