include

include

include

include

struct line { long m,c; }; struct query { long l,r,x,y; }; int check(long,long,long,long,struct line []); int main() { int test,querysize; scanf("%d",&test); struct line l[test]; for(int i=0;i

for(int i=0;i<querysize;i++)
{ int flag=check(q[i].l,q[i].r,q[i].x,q[i].y,l);
    if(flag==0)
        printf("YES\n");
    else
        printf("NO\n");
}
return 0;

} int check(long l,long r,long x,long y,struct line p[]) {

for(long i=l-1;i<=r-1;i++)
{ long e= y-((p[i].m)*x)-(p[i].c);

    if(e<0)
        return 0;

}
return 1;

}