import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int n = in.nextInt();
        int a = in.nextInt();
        int b = in.nextInt();
        int q = in.nextInt();
        int[] c = new int[n];
        for(int c_i=0; c_i < n; c_i++){
            c[c_i] = in.nextInt();
        }
        for(int a0 = 0; a0 < q; a0++){
            int queryType = in.nextInt();
            int first = in.nextInt();
            int second = in.nextInt();
            // your code goes here
            if(queryType==1)
                {
                c[first]=second;
            }
            else
                {
                double s=a,d;
                d=-(b/s);
                double sum=0.0;
                for(int i=first;i<(second-first+1);i++)
                    {
                    sum+=c[i]*Math.pow(d,(i-first));
                }
                if(sum==0.0)
                    System.out.println("Yes");
                else
                    System.out.println("No");
            }
        }
    }
}