#include <stdio>

int x[50001],y[50001];
int main()
{
    freopen("tribute.in","r",stdin);
    freopen("tribute.out","w",stdout);

    int n,dx,dy,i,catest,catedr,scorx=0,scory=0,varx,vary;
    scanf("%d%d%d",&n,&dx,&dy);

    for(i=1;i<=n;i++)
    {
        scanf("%d%d",&varx,&vary);
        x[varx]++;
        y[vary]++;
    }

    catest=0;
    catedr=-dx;

    for(i=dx+1;i<=n;i++)
    {
        scorx+=x[i]*()
    }

    for(i=1;i<=n-dx;i++)

}