#include using namespace std; int main() { int n,a,b,q; cin >> n >> a >> b >> q; int arr[n]; for(int i=0;i> arr[i]; int l,m,w; for(int i=0;i> l >> m >> w; if(l==1){ arr[m]=w; } else if(l==2){ int count=0; for(int i=0;i<4;i++) { int k=a*i+b,ans=0; for(int j=m;j<=w;j++) { ans=10*ans+arr[j]; } int r=0; if(r!=0) r=ans/k; else if(r==ans/k) count++; else break; } if(count==4) cout << "Yes"; else cout << "No"; } } return 0; }