#include <iostream>
#include <cmath>
using namespace std;

struct complex { double re,im; };

void citire(complex &c)
{
    cin>>c.re>>c.im;
}

void citire(complex C[], int &n)
{
    cin>>n;
    for(int i=1;i<=n;i++)
        citire(C[i]);
}

double modul(complex c)
{
    return sqrt(c.re*c.re+c.im*c.im);
}

void inter(double &a, double &b)
{
    double aux=a; a=b; b=aux;
}

void ordonare(double A[], int n)
{
    for(int i=1;i<n;i++)
        for(int j=i+1;j<=n;j++)
            if(A[i]>A[j])
                inter(A[i],A[j]);
}

void afisare(double A[], int n)
{
    for(int i=1;i<=n;i++)
        cout<<A[i]<<" ";
}

int main()
{
    int n,m=0;
    double a,b;
    complex C[101];
    double A[101];
    citire(C,n);
    cin>>a>>b;
    for(int i=1;i<=n;i++)
        if(modul(C[i])<a || modul(C[i])>b)
            A[++m]=modul(C[i]);
    ordonare(A,m);
    afisare(A,m);
    return 0;
}