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#include<bits/stdc++.h>
#pragma GCC optimize(3)
#define il __inline__ __attribute__ ((always_inline))
typedef long long ll;typedef unsigned long long ull;typedef double db;typedef short sht;
#define fur(i,x,y) for(int i(x);i<=y;++i)
#define fdr(i,x,y) for(int i(x);i>=y;--i)
#define fl(i,x) for(int i(head[x]),to;to=e[i].to,i;i=e[i].nxt)
#define clr(x,y) memset(x,y,sizeof(x))
#define cpy(x,y) memcpy(x,y,sizeof(x))
#define fin(s) freopen(s".in","r",stdin)
#define fout(s) freopen(s".out","w",stdout)
#define fcin ios::sync_with_stdio(false)
#define l2(n) ((int)(log2(n)))
template <class T>il T ABS(T x){return x>0?x:-x;}
template <class T>il T MAX(T x,T y){return x>y?x:y;}
template <class T>il T MIN(T x,T y){return x<y?x:y;}
template <class T>il T GCD(T x,T y){return y?GCD(y,x%y):x;}
template <class T>il void SWAP(T &x,T &y){T t=x;x=y;y=t;}
using namespace std;
namespace IO{const int str=1<<20;static char in_buf[str],*in_s,*in_t;bool __=0;il char gc(){return (in_s==in_t)&&(in_t=(in_s=in_buf)+fread(in_buf,1,str,stdin)),in_s==in_t?EOF:*in_s++;}il void in(string &ch){ch.clear();if(__)return;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF){__=1;return;}ch+=c;while((c=gc())!=EOF&&!isspace(c))ch+=c;if(c==EOF)__=1;}il void in(char &ch){if(__)return;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF)__=1;else ch=c;}il void in(char *ch){*ch='\0';if(__)return;char c;while((c=gc())!=EOF&&isspace(c));if(c==EOF){__=1;return;}*ch=c;ch++;while((c=gc())!=EOF&&!isspace(c))*ch=c,ch++;if(c==EOF)__=1;*ch='\0';}template<typename T>il void in(T &x){if(__)return;char c=gc();bool f=0;while(c!=EOF&&(c<'0'||c>'9'))f^=(c=='-'),c=gc();if(c==EOF){__=1;return;}x=0;while(c!=EOF&&'0'<=c&&c<='9')x=x*10+c-48,c=gc();if(c==EOF)__=1;if(f)x=-x;}template<typename T,typename ... arr>il void in(T &x,arr & ... y){in(x),in(y...);}const char ln='\n';static char out_buf[str],*out_s=out_buf,*out_t=out_buf+str;il void flush(){fwrite(out_buf,1,out_s-out_buf,stdout);out_s=out_buf;}il void pt(char c){(out_s==out_t)?(fwrite(out_s=out_buf,1,str,stdout),*out_s++=c):(*out_s++=c);}il void out(const char* s){while(*s)pt(*s++);}il void out(char* s){while(*s)pt(*s++);}il void out(char c){pt(c);}il void out(string s){for(int i=0;s[i];i++)pt(s[i]);}template<typename T>il void out(T x){if(!x){pt('0');return;}if(x<0)pt('-'),x=-x;char a[50],t=0;while(x)a[t++]=x%10,x/= 10;while(t--)pt(a[t]+'0');}template<typename T,typename ... arr>il void out(T x,arr & ... y){out(x),out(y...);}}using namespace IO;
const int N=50011,inf=2122219134;
int n,q,rt,ls[N],rs[N],L[N],R[N],D[N],U[N];
ll s[N];
struct node{int x,y;ll v;}t[N];
bool cmpx(node a,node b){return a.x<b.x;}
bool cmpy(node a,node b){return a.y<b.y;}
void upd(int x,int y){
    L[x]=MIN(L[x],L[y]),R[x]=MAX(R[x],R[y]),
    D[x]=MIN(D[x],D[y]),U[x]=MAX(U[x],U[y]);
}
void pu(int x){
    L[x]=R[x]=t[x].x;
    D[x]=U[x]=t[x].y;
    if(ls[x])upd(x,ls[x]);
    if(rs[x])upd(x,rs[x]);
    s[x]=t[x].v+s[ls[x]]+s[rs[x]];
}
int build(int l,int r){
    if(l>r)return 0;
    int m=l+r>>1;
    db ax=0,ay=0,vx=0,vy=0;
    fur(i,l,r)ax+=t[i].x,ay+=t[i].y;
    ax/=r-l+1,ay/=r-l+1;
    fur(i,l,r)
        vx+=(ax-t[i].x)*(ax-t[i].x),
        vy+=(ay-t[i].y)*(ay-t[i].y);
    nth_element(t+l,t+m,t+r+1,vx>vy?cmpx:cmpy);
    ls[m]=build(l,m-1);
    rs[m]=build(m+1,r);
    pu(m);return m;
}
int A,B;ll C;
int chk(int x,int y){return 1ll*A*x+1ll*B*y<C;}
ll ask(int x){
    if(!x)return 0;
    int f=chk(L[x],D[x])+chk(L[x],U[x])+chk(R[x],D[x])+chk(R[x],U[x]);
    if(!f)return 0;
    if(f==4)return s[x];
    return (chk(t[x].x,t[x].y)?t[x].v:0)+ask(ls[x])+ask(rs[x]);
}
int main(){
    in(n,q);
    fur(i,1,n)in(t[i].x,t[i].y,t[i].v);
    rt=build(1,n);
    while(q--)in(A,B,C),out(ask(rt),ln);
    flush();
}
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