subtask1全WA了

#include<iostream>
#include<random>
#include<ctime>
using namespace std;
template<typename T>inline void read(T &x){
	x=0;T f=1;char ch=getchar();
	while(ch<48&&ch>57){if(ch=='-'){f=-1;}ch=getchar();}
	while(ch>=48&&ch<=57){x=x*10+ch-48;ch=getchar();}
	x*=f;
}
template<typename T>inline void write(T x){
	if(x<0) putchar('-'),x=-x;
	if(x>9) write(x/10);
	putchar(x%10-48);
}
const int N=5e5+8;
int n,m,q;
mt19937_64 g(time(0));
unsigned long long w[N];
unsigned long long in[N];
unsigned long long  bucin[N];
unsigned long long  tot=0;
int main(){
//	freopen("galaxy.in","r",stdin);
//	freopen("galaxy.out","w",stdout);
	read(n),read(m);
	unsigned long long real=0;
	for(int i=1;i<=n;i++){
		w[i]=g();
		real+=w[i];
	}
	for(int i=1;i<=m;i++){
		int u,v;
		read(u),read(v);
		in[v]+=w[u];
		bucin[v]+=w[u];
		tot+=w[u];
	}
	read(q);
	int t,u,v;
	while(q--){
		read(t);
		if(t==1){
			read(u),read(v);
			in[v]-=w[u];
			tot-=w[u];
		}
		else if(t==2){
			read(u);
			tot-=in[u];
			in[u]=0;
		}
		else if(t==3){
			read(u),read(v);
			in[v]+=w[u];
			tot+=w[u];
		}
		else{
			read(u);
			tot+=bucin[u]-in[u];
			in[u]=bucin[u];
		}
		if(real==tot){
			puts("YES");
		}
		else{
			puts("NO");
		}
	}
	return 0;
}