#!/bin/python3

import sys
import math


n,a,b,q = input().strip().split(' ')
n,a,b,q = [int(n),int(a),int(b),int(q)]
c = list(map(int, input().strip().split(' ')))
for a0 in range(q):
    root = -(b/a)
    queryType,first,second = input().strip().split(' ')
    queryType,first,second = [int(queryType),int(first),int(second)]
    # your code goes here
    if queryType == 2:
        value = 0
        if b != 0:
            for i in range(second-first+1):
                value += c[first+i]*math.pow(root, i)
            value = math.trunc(value)
            if value == 0:
                print("Yes")
            else:
                print("No")
        else:
            if c[first] == 0:
                print("Yes")
            else:
                print("No")
    if queryType == 1:
        c[first] = second