#include <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;

int a,b,n,q,cnt,c[100005],l,r,type,i,a1,b1,ans;
int main() {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT */
    cin >> n >> a >> b >> q ;
   
    for(i=0;i<n;i++)cin>>c[i];
    cnt=__gcd(a,b);
    a=a/cnt;
    b=b/cnt;
    while(q--)
        {
        cin >> type >> l >> r ;
        if(type==1)
            {
            c[l]=r;
        }
        else
            {
           
            if(b==0)
                {
                if(c[l])
                    {
                    cout <<"No\n";
                }
                else
                    {
                cout<<"Yes"<<"\n";
                    //else cout <<"No\n";
                }
            }
            else
                {
                for(i=l;i<=r;i++)
                    {
                    if(c[i])
                        {
                        if(b1==0)b1=c[i];
                        else a1=c[i];
                    }
                    if(a1!=0 and b1)
                        {
                        ans=__gcd(a1,b1);
                        a1/=ans;
                        b1/=ans;
                        if(a1!=a or b1!=b)
                            {
                            cnt=1;
                            break;
                        }
                        a1=b1=0;
                    }
                }
                if(cnt)cout<<"No\n";
                else cout<<"Yes\n";
            }
        }
    }
    return 0;
}