using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;

class Solution
{
    static int c;
    static void Main()
    {
        var n = MyConsole.ReadInt();
        var a = MyConsole.ReadInt();
        var b = MyConsole.ReadInt();
        var q = MyConsole.ReadInt();
        var c = MyConsole.ReadArray();

        var invB = ModInverse(b, modulo);

        for(var i = 0; i < q; i++)
        {
            var line = MyConsole.ReadArray();
            if (line[0] == 1)
            {
                c[line[1]] = line[2];
            }else
            {
                var l = line[1];
                var r = line[2];

                var d = 0l;
                for(var k = l; k < r; k++)
                {
                    d = ((c[k] - a * d) * b)%modulo;
                }
                if ((a * d) % modulo == c[r])
                {
                    Console.WriteLine("Yes");
                }
                else
                {
                    Console.WriteLine("No");
                }
            }
        }
    }

    static int ModInverse(int a, int n)
    {
        int i = n, v = 0, d = 1;
        while (a > 0)
        {
            int t = i / a, x = a;
            a = i % x;
            i = x;
            x = d;
            d = v - t * x;
            v = x;
        }
        v %= n;
        if (v < 0) v = (v + n) % n;
        return v;
    }
    static int modulo = 1000000007;
}

static class MyConsole
{
    public static long[] ReadArrayLong()
    {
        var line = Console.ReadLine();
        if (line.Trim().Length == 0)
        {// ignore white space
            line = Console.ReadLine();
        }
        return line.Trim().Split(' ', '\t').Select(long.Parse).ToArray();
    }

    public static int[] ReadArray()
    {
        var line = Console.ReadLine();
        if (line.Trim().Length == 0)
        {// ignore white space
            line = Console.ReadLine();
        }
        return line.Trim().Split(' ', '\t').Select(int.Parse).ToArray();
    }

    public static int ReadInt()
    {
        var str = ReadStringNumber();
        return int.Parse(str);
    }

    public static long ReadLong()
    {
        var str = ReadStringNumber();
        return long.Parse(str);
    }
    public static ulong ReadUlong()
    {
        var str = ReadStringNumber();
        return ulong.Parse(str);
    }

    public static string ReadLine()
    {
        var l = Console.ReadLine();
        if (string.IsNullOrWhiteSpace(l))
        {
            l = Console.ReadLine();
        }
        return l;
    }

    private static string ReadStringNumber()
    {
        var builder = new System.Text.StringBuilder();
        while (true)
        {
            var c = (char)Console.Read();
            if (c != ' ' && c != '\r' && c != '\n' && c != '\t' && c != 0 && c != 65535)
            {
                builder.Append(c);
            }
            else
            {
                if (builder.Length > 0)
                {
                    break;
                }
            }
        }

        return builder.ToString();
    }

    public static int[] ReadArrayFlagged(int startFlag, int endFlag)
    {
        var initialArray = ReadArray();

        var flaggedArray = new int[initialArray.Length + 2];
        flaggedArray[0] = startFlag;
        flaggedArray[flaggedArray.Length - 1] = endFlag;
        Array.Copy(initialArray, 0, flaggedArray, 1, initialArray.Length);

        return flaggedArray;
    }

    public static void ReadLine(out int int0, out int int1)
    {
        var arr = ReadArray();
        int0 = arr[0];
        int1 = arr[1];
    }

    public static void ReadLineLong(out long int0, out long int1)
    {
        var arr = ReadArrayLong();
        int0 = arr[0];
        int1 = arr[1];
    }

    public static void ReadLineLong(out long int0, out long int1, out long int2)
    {
        var arr = ReadArrayLong();
        int0 = arr[0];
        int1 = arr[1];
        int2 = arr[2];
    }
    public static void ReadLine(out int int0, out int int1, out int int2)
    {
        var arr = ReadArray();
        int0 = arr[0];
        int1 = arr[1];
        int2 = arr[2];
    }
    public static void ReadLine(out int int0, out int int1, out int int2, out int int3)
    {
        var arr = ReadArray();
        int0 = arr[0];
        int1 = arr[1];
        int2 = arr[2];
        int3 = arr[3];
    }
    public static void WriteArray<T>(T[] array)
    {
        var sb = new StringBuilder();

        for (var i = 0; i < array.Length; i++)
        {
            sb.Append(array[i]);
            if (i < array.Length - 1)
            {
                sb.Append(" ");
            }
        }
        Console.WriteLine(sb.ToString());
    }
}

static class MyCommon
{
    public static int[] Bucketify(int[] a, int maxValue)
    {
        var buckets = new int[maxValue + 1];
        Array.ForEach(a, i => buckets[i]++);
        return buckets;
    }
    public static IEnumerable<int> GetDigits(long n)
    {
        while (n > 0)
        {
            yield return (int)(n % 10);
            n /= 10;
        }
    }

}
class MyTimer
{
    private DateTime Start = DateTime.UtcNow;
    public double GetSeconds()
    {
        return DateTime.UtcNow.Subtract(Start).TotalSeconds;
    }
}