#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main(){
    int n; 
    int a; 
    int b; 
    int q; 
    scanf("%d %d %d %d",&n,&a,&b,&q);
    int *c = malloc(sizeof(int) * n);
    for(int c_i = 0; c_i < n; c_i++){
       scanf("%d",&c[c_i]);
    }
    for(int a0 = 0; a0 < q; a0++){
        int q; 
        int f; 
        int s; 
        scanf("%d %d %d",&q,&f,&s);
        if(q==1) c[f] = s;
        else
        {
            if(b==0)
             {
                
                if(c[f]!=0) printf("No\n");
                else printf("Yes\n");
            }
            else if(b!=0){
            long long int k = -(b/a),k1=0,sum=0;
            for(int i=f;i<=s;i++)
            {
                long long k2 = pow(k,k1);
                //printf("%lld ",k2);
                sum+=c[i]*k2;
                k1++;
            }
            if(sum==0) printf("Yes\n");
                else printf("No\n");}
        }
        // your code goes here
    }
    return 0;
}