#include <bits/stdc++.h>
using namespace std;

#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define endl "\n"
#define Max(x,y,z) max(x,max(y,z))
#define Min(x,y,z) min(x,min(y,z))
#define fr(i,s,e) for(i=s;i<e;i++)
#define rf(i,s,e) for(i=s-1;i>=e;i--)
#define pb push_back
#define mp make_pair

typedef long long ll;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<long long, long long> pll;
typedef vector<int> vi;
typedef vector<long long> vll;
typedef vector<pair<long long,long long> > vpll;
typedef vector<vector<ll> > vvll;

#define PI 3.141592653589793
#define MOD 1000000007

int main()
{
	ll n;
	cin>>n;
	ll a,b;
	cin>>a>>b;
	ll q;
	cin>>q;
	vector<ll> v(n);
	double x=(-1.0*b)/(a);
	for(ll i=0;i<n;i++)
	{
		cin>>v[i];
	}
	for(ll i=0;i<q;i++)
	{
		ll c,d,e;
		cin>>c>>d>>e;
		if(c==1)
		{
			v[d]=e;
		}
		else
		{
			double curx=1;
			double curval=0;
			for(ll j=d;j<=e;j++)
			{
				curval+=curx*v[j];
                //cout<<curval<<" ";
                if(curval>=MOD)
                {
                    curval-=MOD;
                }
				curx=curx*x;
			    if(curx>=MOD)
                {
                    curx-=MOD;
                }
			}
			if(curval==0)
			{
				cout<<"Yes"<<endl;
			}				
			else
			{
				cout<<"No"<<endl;
			}
		}
	}
	
	return 0;
}