#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 */  
    int n,a,b,q;
    cin>>n>>a>>b>>q;
    int arr[n];
    float put=-b/a;
    for (int i=0;i<n;i++)
        {cin>>arr[i];}
    while (q--)
        {int first;
         cin>>first;
         if (first == 1)
             {int index;
             cin>>index;
             int val;
             cin>>val;
             arr[index]=val;
             }
        else if (first == 2)
            {int l,r;
             cin>>l;
             cin>>r;
             int k=0;
             float sum=0;
             for (int i=l;i<=r;i++)
                 {sum+=arr[i]*pow(put,k);
                 k++;}
            if (sum==0)
                {cout<<"Yes"<<endl;}
             else 
                 cout<<"No"<<endl;
            }
        }
    return 0;
}