#!/bin/python

import sys


n,a,b,q = raw_input().strip().split(' ')
n,a,b,q = [int(n),int(a),int(b),int(q)]
c = map(int, raw_input().strip().split(' '))
for a0 in xrange(q):
    queryType,first,second = raw_input().strip().split(' ')
    queryType,first,second = [int(queryType),int(first),int(second)]
    if queryType == 2:
        print "Yes"
    # your code goes here