#include <bits/stdc++.h>
#define _ ios_base::sync_with_stdio(false);cin.tie(0);
using namespace std;
#define pb push_back
#define pob pop_back
#define pf push_front
#define pof pop_front
#define mp make_pair
#define all(a) a.begin(),a.end()
#define bitcnt(x) __builtin_popcountll(x)
#define MOD 1000000007
#define PI 3.14159265
#define tot 300005
#define BLOCK 20000
#define MAXN 1000000000000000
typedef unsigned long long int uint64;
typedef long long int int64;

int poly[100005];

int64 powe(int64 a,int64 b){
	int64 ret=1;
	while(b){
		if(b&1){
			ret=ret*a;
			if(ret>MOD)
				ret%=MOD;
		}
		else{
			a=a*a;
			if(a>MOD)
				a%=MOD;
		}
		b/=2;
	}
	return ret;
}

int64 a,b;

bool chck(int l,int r){
	int64 prev=0;
	for(int i=r;i>=l;i--){
		int64 val=poly[i]-prev;
		if(val<0)
			val+=MOD;
		if(val%a==0){
			int64 mul=val/a;
			prev=mul*b;
			if(prev>MOD)
				prev%=MOD;
		}
		int add;
		for(add=0;add<=10;add++){
			val+=MOD;
			if(val%a==0){
				int64 mul=val/a;
				prev=mul*b;
				if(prev>MOD)
					prev%=MOD;
				break;
			}
		}
		if(add>10)
			return false;
	}
	if(prev)
		return false;
	return true;
}

int main(){
	int n,q;
	cin>>n>>a>>b>>q;
	for(int i=0;i<n;i++){
		scanf("%d",&poly[i]);
	}
	int type,l,r;
	while(q--){
		scanf("%d%d%d",&type,&l,&r);
		if(type==1){
			poly[l]=r;
		}
		else{
			if(chck(l,r)){
				printf("Yes\n");
			}
			else{
				printf("No\n");
			}
		}
	}
	return 0;
}