#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;


int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */   
    long n,i,t;
    //cin>>n;
    long long a,b;

    cin>>n>>a>>b>>t;
    int l=std::__gcd(a,b);
  //  cout<<l<<endl;
        a=a/l;
    b=b/l;
    //cin>>t;
    long long arr[n];
    for(i=0;i<n;i++)
        cin>>arr[i];
    int p,q,r;
  //  cout<<t;
    while(t--)
        {
        cin>>p>>q>>r;
            if(p==1)
            {
            arr[q]=r;
            }
        else
            {
           int d=0,s=0;

            for(i=n-1;i>=0;i--)
                {
             s=arr[i]-d;
            int c=arr[n-1]/a;
             d=c*b;
            //s=a[n-1]-d;
            }
            if(s==0)
                cout<<"Yes"<<endl;
            else
                cout<<"No"<<endl;
        }
        
    }
    return 0;
}