#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
struct can{
ll ind, q, s, pos;
};
vector<can> c;
bool ord1(can x, can y){
return (x.q < y.q);
}
bool ord2(can x, can y){
return ((x.s)*(y.q) > (y.s)*(x.q));
}
vector<pair<ll, ll>> st;
vector<ll> a;
pair<ll, ll> operator +(pair<ll, ll> d1, pair<ll, ll> d2){
return {d1.first + d2.first, d1.second + d2.second};
}
void update(ll l, ll r, ll id, ll pos, ll val){
if(l==r){
st[id].first = 1;
st[id].second = val;
return;
}
ll m = (l+r)/2;
if(pos<=m){update(l, m, 2*id, pos, val);}
else{update(m+1, r, 2*id+1, pos, val);}
st[id] = st[2*id] + st[2*id+1];
}
pair<ll, ll> query(ll l, ll r, ll id, ll ql, ll qr){
if(r<ql or qr<l){return {0, 0};}
if(ql<=l and r<=qr){return st[id];}
ll m = (l+r)/2;
return query(l, m, 2*id, ql, qr) + query(m+1, r, 2*id+1, ql, qr);
}
int main() {
cin.tie(nullptr);
ios_base::sync_with_stdio(false);
ll N, W, ans;
cin>>N>>W;
c.resize(N);
st.resize(4*N+13, {0, 0});
a.resize(N+2, 0);
a[N+1] = 1e15;
for(ll i=0;i<N;i++){
c[i].ind = i;
cin>>c[i].s>>c[i].q;
}
sort(c.begin(), c.end(), ord1);
for(ll i=0;i<N;i++){
c[i].pos = i;
}
sort(c.begin(), c.end(), ord2);
ans = 0;
for(ll i=N-1;i>=0;i--){
ll T = max(0LL, (W*(c[i].q))/c[i].s - c[i].q);
ll bl = 0;
ll br = N+1;
while(br != bl+1){
ll bm = (bl + br)/2;
pair<ll, ll> d = query(0, N+1, 1, 0, bm);
if(d.second <= T){bl = bm;}
else{br = bm;}
}
ll mx = query(0, N+1, 1, 0, bl).first;
ans = max(ans, mx + 1);
update(0, N+1, 1, c[i].pos + 1, c[i].q);
}
cout<<ans<<endl;
}
