#include <bits/stdc++.h>
using namespace std;
#define fi first.first
#define se first.second
#define id second
#define pb push_back
#define pii pair<int,int>
#define ll long long
#define pll pair<ll,ll>
#define rep(i,a,b) for (int i=(a);i<(b);i++)
#define SZ(x) ((int)((x).size()))
const int maxn = 5e5+10;
int n;
ll m;
pair<pii,int> worker[maxn];
bool cmp(pair<pii,int> x, pair<pii,int> y) {
return x.fi*y.se < y.fi*x.se;
}
priority_queue <pii> q;
void solve() {
while (!q.empty()) q.pop();
ll tmp = 0;
int hi = -1,pos;
double val = 1e18;
rep(i,0,n) {
q.push({worker[i].se,i}),tmp += worker[i].se;
while (tmp * worker[i].fi > m*worker[i].se) tmp -= q.top().first, q.pop();
if (SZ(q) > hi or (SZ(q)==hi and val > tmp*worker[i].fi/worker[i].se)) hi = SZ(q),pos = i,val = tmp*worker[i].fi/worker[i].se;
}
while (!q.empty()) q.pop();
tmp = 0;
rep(i,0,pos+1) {
q.push({worker[i].se,i}),tmp += worker[i].se;
while (tmp * worker[i].fi > m*worker[i].se) tmp -= q.top().first, q.pop();
}
cout<<hi<<"\n";
while (!q.empty()) cout<<worker[q.top().second].id<<"\n",q.pop();
}
bool check(int cnt, bool hi) {
return false;
}
int main() {
std::ios::sync_with_stdio(false);cin.tie(0);
cin>>n>>m;
rep(i,0,n) {
cin>>worker[i].fi>>worker[i].se;
worker[i].id = i+1;
}
sort(worker,worker+n,cmp);
solve();
}
/*
4 100 5 1000 10 100 8 10 20 1
3 4 1 2 1 3 1 3
3 40 10 1 10 2 10 3
*/
