#include <bits/stdc++.h>
using namespace std;
#define int long long

struct rt
{
    rt(int x, int y)
    {
        a = x;
        b = y;
        simpl();
    }
    rt(int n)
    {
        a = n;
        b = 1;
        simpl();
    }
    rt operator*(rt other)
    {
        int x = a * other.a;
        int y = b * other.b;
        return rt(x, y);;
    }
    rt operator+(rt other)
    {
        return rt(a * other.b + other.a * b, b * other.b);
    }
    rt neg()
    {
        return rt(-a, b);
    }
    rt inv()
    {
        return rt(b, a);
    }
    rt operator-(rt other)
    {
        return *this + other.neg();
    }
    rt operator/(rt other)
    {
        return *this * other.inv();
    }
    void simpl()
    {
        if(a == 0)
        {
            a = 0;
            b = 1;
            return;
        }
        if(b < 0)
        {
            a *= -1;
            b *= -1;
        }
        int g = __gcd(abs(a), b);
        a /= g;
        b /= g;
    }
    int a;
    int b;
};

ostream& operator<<(ostream& os, const rt r)
{
    return os << r.a << '/' << r.b;
}

void solvexd()
{
    rt a(10);
    rt b(35, -14);
    //cout << a << endl;
    //cout << b << endl;
    //cout << c << endl;
    //cout << d << endl;
    //cout << e << endl;
    //cout << f << endl;

}
ostream& operator<<(ostream& os, const tuple<int, int, int, int, int, int>& p)
{
    return os << '(' << get<0>(p) << ", " << get<1>(p) << ", " << get<2>(p) << ", " << get<3>(p) << ", " << get<4>(p) << ", " << get<5>(p) << ')';
}

template<typename T>
ostream& operator<<(ostream& os, const pair<T, T>& p)
{
    return os << '{' << p.first << ", " << p.second << '}';
}



void solve()
{
    int n, p;
    cin >> n >> p;
    vector<pair<int, int>> points(n);
    for(int i =0 ; i < n; i++)
    {
        int x, y;
        cin >> x >> y;
        points[i] = {x, y};
    }

    map<tuple<int, int, int, int, int, int>, int> cetnosti; // x.a, x.b, y.a, y.b, dx, dy

    for(int i = 0; i < n - 1; i++)
    {
        for(int j = i + 1; j < n; j++)
        {
            auto [x1, y1] = points[i];
            auto [x2, y2] = points[j];
            int _dx = x2 - x1;
            int _dy = y2 - y1;
            int dx = -_dy;
            int dy = _dx;
            if(dx != 0 && dy != 0)
            {
                int g = __gcd(abs(dx), abs(dy));
                dx /= g;
                dy /= g;
            }
            else if(dx == 0)
            {
                dy = 1;
            }
            else // dy == 0
            {
                dx = 1;
            }
            // TODO: znaminka nebo dvakrat do mapy
            // int sx = x1;
            // int sy = y1;

            rt rdx(dx);
            rt rdy(dy);
            // rt rsx(sx);
            // rt rsy(sy);
            rt rsx = (rt(x1) + rt(x2)) / rt(2);
            rt rsy = (rt(y1) + rt(y2)) / rt(2);

            rt ry(1);
            rt rx(1);
            if(y1 == y2)
            {
                //cout << "@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@" << endl;
            }
            //cout << "sx: " << rsx << endl;
            //cout << "sy: " << rsy << endl;
            //cout << "dx: " << rdx << endl;
            //cout << "dy: " << rdy << endl;
            if(rdx.a != 0)
            {
                //cout << "AAAAAA" << endl;
                ry = (rsy * rdx - rsx * rdy) / (rdx + (rdy / rdx));
                rx = ry.neg() * (rdy / rdx);
            }
            else
            {
                //cout << "BBBBBB" << endl;
                ry = rt(0);
                rx = (rt(x1) + rt(x2)) / rt(2);
            }

            //cout << "A: " << points[i] << endl;
            //cout << "B: " << points[j] << endl;
            //cout << ":" << endl;
            //cout << "dx: " << dx << endl;
            //cout << "dy: " << dy << endl;
            //cout << "rx: " << rx << endl;
            //cout << "ry: " << ry << endl;

            //cout << tuple<int, int, int, int, int, int>{rx.a, rx.b, ry.a, ry.b, dx, dy} << endl;
            //cout << tuple<int, int, int, int, int, int>{rx.a, rx.b, ry.a, ry.b, -dx, -dy} << endl;

            //cout << "---------" << endl;
            //cout << endl << endl;

            cetnosti[{rx.a, rx.b, ry.a, ry.b, dx, dy}]++;
            cetnosti[{rx.a, rx.b, ry.a, ry.b, -dx, -dy}]++;
        }
    }
    //cout << "===========" << endl;
    //cout << endl << endl;
    int mx = 0;
    for(auto x : cetnosti)
    {
        mx = max(mx, x.second);
        //cout << x.first << ": " << x.second << endl;
    }
    if(n * p <= mx * 2 * 100)
    {
        cout << "YES" << endl;
    }
    else
        cout << "NO" << endl;
}

int32_t main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);

    solve();

    return 0;
}