// Polynomial Division
#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main()
{
	long long int n, a, b, q;
	scanf("%lld %lld %lld %lld", &n, &a, &b, &q);
	long long int i;
	long long int c[n];
	for ( i = 0; i < n; ++i )
	{
		scanf("%lld", &c[i]);
	}
	long long int raiz = -b/a;
	int exp = 0;
	long long int suma = 0;
	do
	{
		int type;
		long long int l, r;
		scanf("%d %lld %lld", &type, &l, &r);
		if ( type == 1 )
		{
			c[l] = r;
		}
		else
		{
			for ( i = l; i <= r; ++i )
			{
				suma = c[i]*pow(raiz,exp);
				++exp;
			}
			--suma;
			if ( suma == 0 )
			{
				printf("Yes\n");
			}
			else
			{
				printf("No\n");
			}
		}
		exp = 0;
		--q;
	} while ( q != 0 );
}