#!/bin/python import sys def normalize(poly): while poly and poly[-1] == 0: poly.pop() if poly == []: poly.append(0) def poly_divmod(num, den): #Create normalized copies of the args num = num[:] normalize(num) den = den[:] normalize(den) if len(num) >= len(den): #Shift den towards right so it's the same degree as num shiftlen = len(num) - len(den) den = [0] * shiftlen + den else: return [0], num quot = [] divisor = float(den[-1]) for i in xrange(shiftlen + 1): #Get the next coefficient of the quotient. mult = num[-1] / divisor quot = [mult] + quot #Subtract mult * den from num, but don't bother if mult == 0 #Note that when i==0, mult!=0; so quot is automatically normalized. if mult != 0: d = [mult * u for u in den] num = [u - v for u, v in zip(num, d)] num.pop() den.pop(0) normalize(num) return quot, num def test(num, den): #print "%s / %s ->" % (num, den) q, r = poly_divmod(num, den) #print "quot: %s, rem: %s\n" % (q, r) return q, r mod = 1000000000 + 7 n,a,b,q = raw_input().strip().split(' ') n,a,b,q = [int(n),int(a),int(b),int(q)] Q = [a, b] 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 == 1): c[first] = second elif (queryType == 2): P = c[first:second+1] quo, rem = test(P, Q) if (rem[0]%mod == 0): print "Yes" else: print "No"