using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {

    static void Main(String[] args) {
        string[] tokens_n = Console.ReadLine().Split(' ');
        int n = Convert.ToInt32(tokens_n[0]); //sequence length
        int a = Convert.ToInt32(tokens_n[1]); //coefficient
        int b = Convert.ToInt32(tokens_n[2]); //coefficient
        int q = Convert.ToInt32(tokens_n[3]); //num queries
        
        //sequence
        int[] c = Array.ConvertAll(Console.ReadLine().Split(' '), Int32.Parse);
        for(int a0 = 0; a0 < q; a0++){
            string[] tokens_queryType = Console.ReadLine().Split(' ');
            int queryType = Convert.ToInt32(tokens_queryType[0]);
            int first = Convert.ToInt32(tokens_queryType[1]);
            int second = Convert.ToInt32(tokens_queryType[2]);
            
            if(queryType == 1){
                c[first - 1] = second;
            }
            else{
                if(n == 1){
                    Console.WriteLine("Yes");
                }
                else{
                    int[] remainder = new int[n];
                    Array.Copy(c, remainder, n);
                    remainder[0] -= a;
                    remainder[1] -= b; 
                    double ans = Math.Abs(remainder[0]) / remainder[n-1];
                    if(ans % 1 == 0){
                        Console.WriteLine("Yes");    
                    }
                    else{
                        Console.WriteLine("No");     
                    }
                }
                
            }
        }
    }
}